Southwest Airlines flight WN 1821: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 07:30 Love Field, Dallas (DAL) 1 08:30 Austin (AUS)
WN 1821 Non-stop Boeing 737-700 (73W) 1:00 Effective 2024-10-03 through 2024-10-28
Fri 07:30 Love Field, Dallas (DAL) 1 08:30 Austin (AUS)
WN 1821 Non-stop Boeing 737-700 (73W) 1:00 Operates only on 2024-11-01
Tue,Wed 07:55 Love Field, Dallas (DAL) 1 08:55 Austin (AUS)
WN 1821 Non-stop Boeing 737-700 (73W) 1:00 Effective 2024-10-08 through 2024-10-30
Sat 08:20 Love Field, Dallas (DAL) 1 09:20 Austin (AUS)
WN 1821 Non-stop Boeing 737-800 (73H) 1:00 Effective 2024-10-05 through 2024-11-02
Thu 08:35 Love Field, Dallas (DAL) 1 09:35 Austin (AUS)
WN 1821 Non-stop Boeing 737-700 (73W) 1:00 Operates only on 2024-10-31
Mon,Thu,Fri,Sun 12:30 Austin (AUS) 13:50 Denver (DEN)
WN 1821 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 12:30 Austin (AUS) 13:50 Denver (DEN)
WN 1821 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-02-21 through 2025-03-02
Sun 12:35 Kansas City (MCI) 15:45 Raleigh/Durham (RDU) 1
WN 1821 Non-stop Boeing 737-700 (73W) 2:10 Effective 2024-10-06 through 2024-10-27
Thu,Fri,Sun 12:40 Austin (AUS) 14:00 Denver (DEN)
WN 1821 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-01-12 through 2025-01-17
Mon,Sun 12:40 Austin (AUS) 14:00 Denver (DEN)
WN 1821 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-01-20 through 2025-01-26
Thu,Fri,Sun 12:40 Austin (AUS) 14:00 Denver (DEN)
WN 1821 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-02-02 through 2025-02-07
Mon 12:40 Austin (AUS) 14:00 Denver (DEN)
WN 1821 Non-stop Boeing 737-700 (73W) 2:20 Operates only on 2025-02-10
Mon,Tue,Thu 12:40 Austin (AUS) 14:00 Denver (DEN)
WN 1821 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-02-18 through 2025-02-24
Mon 12:40 Austin (AUS) 14:00 Denver (DEN)
WN 1821 Non-stop Boeing 737-700 (73W) 2:20 Operates only on 2025-03-03
Thu 13:40 Austin (AUS) 15:00 Denver (DEN)
WN 1821 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2024-11-28
Mon,Thu,Fri 14:20 Las Vegas Harry Reid (LAS) 1 19:10 Austin (AUS)
WN 1821 Non-stop Boeing 737-700 (73W) 2:50 Valid until 2024-09-30
Thu,Fri,Sun 14:20 Denver (DEN) 16:20 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-11-03 through 2024-11-10
Mon,Thu,Fri,Sun 14:20 Denver (DEN) 16:20 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-11-11 through 2024-11-25
Fri,Sun 14:20 Denver (DEN) 16:20 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-12-08 through 2024-12-15
Thu 14:20 Denver (DEN) 16:20 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2024-12-19
Fri 14:20 Denver (DEN) 16:20 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2025-01-03
Mon-Wed 14:30 Denver (DEN) 16:30 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-11-04 through 2024-11-06
Tue,Wed 14:30 Denver (DEN) 16:30 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-11-12 through 2024-11-20
Tue-Fri 14:30 Denver (DEN) 16:30 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-11-29 through 2024-12-06
Mon-Thu 14:30 Denver (DEN) 16:30 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-12-09 through 2024-12-18
Tue,Wed 14:30 Denver (DEN) 16:30 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-12-24 through 2025-01-01
Mon 14:30 Denver (DEN) 16:30 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2025-01-06
Thu,Fri,Sun 14:40 Denver (DEN) 16:25 San Jose (SJC) B
WN 1821 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-01-12 through 2025-01-17
Mon,Sun 14:40 Denver (DEN) 16:25 San Jose (SJC) B
WN 1821 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-01-20 through 2025-01-26
Thu,Fri,Sun 14:40 Denver (DEN) 16:25 San Jose (SJC) B
WN 1821 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-02-02 through 2025-02-07
Mon 14:40 Denver (DEN) 16:25 San Jose (SJC) B
WN 1821 Non-stop Boeing 737-700 (73W) 2:45 Operates only on 2025-02-10
Mon,Tue,Thu 14:40 Denver (DEN) 16:25 San Jose (SJC) B
WN 1821 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-02-18 through 2025-02-24
Mon 14:40 Denver (DEN) 16:25 San Jose (SJC) B
WN 1821 Non-stop Boeing 737-700 (73W) 2:45 Operates only on 2025-03-03
Sat 15:30 Denver (DEN) 17:30 Boise (BOI)
WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-02-15 through 2025-03-01
Sun 16:25 Raleigh/Durham (RDU) 1 17:35 Baltimore (BWI)
WN 1821 Non-stop Boeing 737-700 (73W) 1:10 Effective 2024-10-06 through 2024-10-27
Sat 17:00 Denver (DEN) 19:00 Boise (BOI)
WN 1821 Non-stop Boeing 737-800 (73H) 2:00 Effective 2024-11-09 through 2024-11-16
Sat 17:00 Denver (DEN) 19:00 Boise (BOI)
WN 1821 Non-stop Boeing 737-800 (73H) 2:00 Effective 2024-12-07 through 2024-12-14
Mon-Wed 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2024-11-04 through 2024-11-06
Tue,Wed 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2024-11-12 through 2024-11-20
Tue-Fri 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2024-11-29 through 2024-12-06
Mon-Thu 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2024-12-09 through 2024-12-18
Tue,Wed 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2024-12-24 through 2025-01-01
Mon-Fri 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-01-06 through 2025-01-15
Tue-Fri,Sun 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-01-19 through 2025-01-24
Mon-Fri 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-01-27 through 2025-02-05
Tue,Wed,Sun 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-02-09 through 2025-02-12
Tue,Wed 17:05 Boise (BOI) 17:50 Oakland (OAK) 2
WN 1821 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-02-19 through 2025-03-05
Sun 18:15 Baltimore (BWI) 19:35 John Glenn Columbus (CMH)
WN 1821 Non-stop Boeing 737-700 (73W) 1:20 Effective 2024-10-06 through 2024-10-27
Sat 19:20 Denver (DEN) 21:20 Boise (BOI)
WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-01-11 through 2025-02-08
Sun 20:10 John Glenn Columbus (CMH) 21:35 Las Vegas Harry Reid (LAS) 1
WN 1821 Non-stop Boeing 737-700 (73W) 4:25 Effective 2024-10-06 through 2024-10-27
Mon-Wed 22:45 Denver (DEN) 00:45 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-11-26 through 2024-12-02
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:45 Denver (DEN) 00:45 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Effective 2024-12-20 through 2025-01-02
The flight arrives 1 day after departure.
Sun 22:45 Denver (DEN) 00:45 Boise (BOI)
WN 1821 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2025-01-05
The flight arrives 1 day after departure.
Non-Direct Flights:
Sun 12:35 Kansas City (MCI) 17:35 Baltimore (BWI)
WN 1821 1-stop Boeing 737-700 (73W) 4:00 Effective 2024-10-06 through 2024-10-27
Thu,Fri,Sun 12:40 Austin (AUS) 16:25 San Jose (SJC) B
WN 1821 1-stop Boeing 737-700 (73W) 5:45 Effective 2025-01-12 through 2025-01-17
Mon,Sun 12:40 Austin (AUS) 16:25 San Jose (SJC) B
WN 1821 1-stop Boeing 737-700 (73W) 5:45 Effective 2025-01-20 through 2025-01-26
Thu,Fri,Sun 12:40 Austin (AUS) 16:25 San Jose (SJC) B
WN 1821 1-stop Boeing 737-700 (73W) 5:45 Effective 2025-02-02 through 2025-02-07
Mon 12:40 Austin (AUS) 16:25 San Jose (SJC) B
WN 1821 1-stop Boeing 737-700 (73W) 5:45 Operates only on 2025-02-10
Mon,Tue,Thu 12:40 Austin (AUS) 16:25 San Jose (SJC) B
WN 1821 1-stop Boeing 737-700 (73W) 5:45 Effective 2025-02-18 through 2025-02-24
Mon 12:40 Austin (AUS) 16:25 San Jose (SJC) B
WN 1821 1-stop Boeing 737-700 (73W) 5:45 Operates only on 2025-03-03
Mon-Wed 14:30 Denver (DEN) 17:50 Oakland (OAK) 2
WN 1821 1-stop Boeing 737-700 (73W) 4:20 Effective 2024-11-04 through 2024-11-06
Tue,Wed 14:30 Denver (DEN) 17:50 Oakland (OAK) 2
WN 1821 1-stop Boeing 737-700 (73W) 4:20 Effective 2024-11-12 through 2024-11-20
Tue-Fri 14:30 Denver (DEN) 17:50 Oakland (OAK) 2
WN 1821 1-stop Boeing 737-700 (73W) 4:20 Effective 2024-11-29 through 2024-12-06
Mon-Thu 14:30 Denver (DEN) 17:50 Oakland (OAK) 2
WN 1821 1-stop Boeing 737-700 (73W) 4:20 Effective 2024-12-09 through 2024-12-18
Tue,Wed 14:30 Denver (DEN) 17:50 Oakland (OAK) 2
WN 1821 1-stop Boeing 737-700 (73W) 4:20 Effective 2024-12-24 through 2025-01-01
Mon 14:30 Denver (DEN) 17:50 Oakland (OAK) 2
WN 1821 1-stop Boeing 737-700 (73W) 4:20 Operates only on 2025-01-06
Sun 16:25 Raleigh/Durham (RDU) 1 19:35 John Glenn Columbus (CMH)
WN 1821 1-stop Boeing 737-700 (73W) 3:10 Effective 2024-10-06 through 2024-10-27
Sun 18:15 Baltimore (BWI) 21:35 Las Vegas Harry Reid (LAS) 1
WN 1821 1-stop Boeing 737-700 (73W) 6:20 Effective 2024-10-06 through 2024-10-27
Sun 12:35 Kansas City (MCI) 19:35 John Glenn Columbus (CMH)
WN 1821 2-stop Boeing 737-700 (73W) 6:00 Effective 2024-10-06 through 2024-10-27
Sun 16:25 Raleigh/Durham (RDU) 1 21:35 Las Vegas Harry Reid (LAS) 1
WN 1821 2-stop Boeing 737-700 (73W) 8:10 Effective 2024-10-06 through 2024-10-27
Sun 12:35 Kansas City (MCI) 21:35 Las Vegas Harry Reid (LAS) 1
WN 1821 3-stop Boeing 737-700 (73W) 11:00 Effective 2024-10-06 through 2024-10-27
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 1821: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN1821
07:30
Love Field, Dallas (DAL) 1

08:30
Austin (AUS)
Effective 2024-10-03 through 2024-10-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
07:30
Love Field, Dallas (DAL) 1

08:30
Austin (AUS)
Operates only on 2024-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
07:55
Love Field, Dallas (DAL) 1

08:55
Austin (AUS)
Effective 2024-10-08 through 2024-10-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
08:20
Love Field, Dallas (DAL) 1

09:20
Austin (AUS)
Effective 2024-10-05 through 2024-11-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1821
08:35
Love Field, Dallas (DAL) 1

09:35
Austin (AUS)
Operates only on 2024-10-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:30
Austin (AUS)

13:50
Denver (DEN)
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1821
12:30
Austin (AUS)

13:50
Denver (DEN)
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1821
12:35
Kansas City (MCI)

15:45
Raleigh/Durham (RDU) 1
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

14:00
Denver (DEN)
Effective 2025-01-12 through 2025-01-17
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

14:00
Denver (DEN)
Effective 2025-01-20 through 2025-01-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

14:00
Denver (DEN)
Effective 2025-02-02 through 2025-02-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

14:00
Denver (DEN)
Operates only on 2025-02-10
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

14:00
Denver (DEN)
Effective 2025-02-18 through 2025-02-24
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

14:00
Denver (DEN)
Operates only on 2025-03-03
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
13:40
Austin (AUS)

15:00
Denver (DEN)
Operates only on 2024-11-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1821
14:20
Las Vegas Harry Reid (LAS) 1

19:10
Austin (AUS)
Valid until 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:20
Denver (DEN)

16:20
Boise (BOI)
Effective 2024-11-03 through 2024-11-10
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:20
Denver (DEN)

16:20
Boise (BOI)
Effective 2024-11-11 through 2024-11-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:20
Denver (DEN)

16:20
Boise (BOI)
Effective 2024-12-08 through 2024-12-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:20
Denver (DEN)

16:20
Boise (BOI)
Operates only on 2024-12-19
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:20
Denver (DEN)

16:20
Boise (BOI)
Operates only on 2025-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

16:30
Boise (BOI)
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

16:30
Boise (BOI)
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

16:30
Boise (BOI)
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

16:30
Boise (BOI)
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

16:30
Boise (BOI)
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

16:30
Boise (BOI)
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:40
Denver (DEN)

16:25
San Jose (SJC) B
Effective 2025-01-12 through 2025-01-17
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:40
Denver (DEN)

16:25
San Jose (SJC) B
Effective 2025-01-20 through 2025-01-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:40
Denver (DEN)

16:25
San Jose (SJC) B
Effective 2025-02-02 through 2025-02-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:40
Denver (DEN)

16:25
San Jose (SJC) B
Operates only on 2025-02-10
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:40
Denver (DEN)

16:25
San Jose (SJC) B
Effective 2025-02-18 through 2025-02-24
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:40
Denver (DEN)

16:25
San Jose (SJC) B
Operates only on 2025-03-03
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
15:30
Denver (DEN)

17:30
Boise (BOI)
Effective 2025-02-15 through 2025-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1821
16:25
Raleigh/Durham (RDU) 1

17:35
Baltimore (BWI)
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:00
Denver (DEN)

19:00
Boise (BOI)
Effective 2024-11-09 through 2024-11-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1821
17:00
Denver (DEN)

19:00
Boise (BOI)
Effective 2024-12-07 through 2024-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2025-01-06 through 2025-01-15
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2025-01-19 through 2025-01-24
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2025-01-27 through 2025-02-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2025-02-09 through 2025-02-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
17:05
Boise (BOI)

17:50
Oakland (OAK) 2
Effective 2025-02-19 through 2025-03-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
18:15
Baltimore (BWI)

19:35
John Glenn Columbus (CMH)
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
19:20
Denver (DEN)

21:20
Boise (BOI)
Effective 2025-01-11 through 2025-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1821
20:10
John Glenn Columbus (CMH)

21:35
Las Vegas Harry Reid (LAS) 1
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
22:45
Denver (DEN)

00:45(+1)
Boise (BOI)
Effective 2024-11-26 through 2024-12-02
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN1821
22:45
Denver (DEN)

00:45(+1)
Boise (BOI)
Effective 2024-12-20 through 2025-01-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN1821
22:45
Denver (DEN)

00:45(+1)
Boise (BOI)
Operates only on 2025-01-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN1821
12:35
Kansas City (MCI)

17:35
Baltimore (BWI)
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:00, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

16:25
San Jose (SJC) B
Effective 2025-01-12 through 2025-01-17
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

16:25
San Jose (SJC) B
Effective 2025-01-20 through 2025-01-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

16:25
San Jose (SJC) B
Effective 2025-02-02 through 2025-02-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

16:25
San Jose (SJC) B
Operates only on 2025-02-10
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

16:25
San Jose (SJC) B
Effective 2025-02-18 through 2025-02-24
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:40
Austin (AUS)

16:25
San Jose (SJC) B
Operates only on 2025-03-03
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

17:50
Oakland (OAK) 2
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

17:50
Oakland (OAK) 2
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

17:50
Oakland (OAK) 2
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

17:50
Oakland (OAK) 2
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

17:50
Oakland (OAK) 2
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
14:30
Denver (DEN)

17:50
Oakland (OAK) 2
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
16:25
Raleigh/Durham (RDU) 1

19:35
John Glenn Columbus (CMH)
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
18:15
Baltimore (BWI)

21:35
Las Vegas Harry Reid (LAS) 1
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:35
Kansas City (MCI)

19:35
John Glenn Columbus (CMH)
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:00, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
16:25
Raleigh/Durham (RDU) 1

21:35
Las Vegas Harry Reid (LAS) 1
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:10, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN1821
12:35
Kansas City (MCI)

21:35
Las Vegas Harry Reid (LAS) 1
Effective 2024-10-06 through 2024-10-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 11:00, 3-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • Austin (AUS) - Denver (DEN)
  • Austin (AUS) - San Jose (SJC)
  • Baltimore (BWI) - John Glenn Columbus (CMH)
  • Baltimore (BWI) - Las Vegas Harry Reid (LAS)
  • Boise (BOI) - Oakland (OAK)
  • Denver (DEN) - Boise (BOI)
  • Denver (DEN) - Oakland (OAK)
  • Denver (DEN) - San Jose (SJC)
  • John Glenn Columbus (CMH) - Las Vegas Harry Reid (LAS)
  • Kansas City (MCI) - Baltimore (BWI)
  • Kansas City (MCI) - John Glenn Columbus (CMH)
  • Kansas City (MCI) - Las Vegas Harry Reid (LAS)
  • Kansas City (MCI) - Raleigh/Durham (RDU)
  • Las Vegas Harry Reid (LAS) - Austin (AUS)
  • Love Field, Dallas (DAL) - Austin (AUS)
  • Raleigh/Durham (RDU) - Baltimore (BWI)
  • Raleigh/Durham (RDU) - John Glenn Columbus (CMH)
  • Raleigh/Durham (RDU) - Las Vegas Harry Reid (LAS)
All Southwest Airlines flights
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