United Airlines flight UA 4637: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:45 Denver (DEN) 10:01 Tucson (TUS)
UA 4637 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2024-12-03 through 2024-12-18
Daily 07:45 Denver (DEN) 09:56 Tucson (TUS)
UA 4637 Non-stop Canadair CRJ 700 (CR7) 2:11 Effective 2024-12-19 through 2025-01-06
Daily 07:45 Denver (DEN) 10:00 Tucson (TUS)
UA 4637 Non-stop Canadair CRJ 700 (CR7) 2:15 Effective 2025-01-07 through 2025-02-12
Daily 07:46 Denver (DEN) 08:59 Tucson (TUS)
UA 4637 Non-stop Canadair CRJ 700 (CR7) 2:13 Effective 2024-10-27 through 2024-11-02
Daily 07:46 Denver (DEN) 09:59 Tucson (TUS)
UA 4637 Non-stop Canadair CRJ 700 (CR7) 2:13 Effective 2024-11-03 through 2024-11-28
Mon,Sat,Sun 07:46 Denver (DEN) 09:59 Tucson (TUS)
UA 4637 Non-stop Canadair CRJ 700 (CR7) 2:13 Effective 2024-11-30 through 2024-12-02
Daily 07:50 Denver (DEN) 10:01 Tucson (TUS)
UA 4637 Non-stop Embraer EMB 175 (E7W) 2:11 Effective 2025-02-13 through 2025-03-08
Daily 07:50 Denver (DEN) 09:01 Tucson (TUS)
UA 4637 Non-stop Embraer EMB 175 (E7W) 2:11 Effective from 2025-03-09
Daily 08:40 Appleton (ATW) 10:29 Denver (DEN)
UA 4637 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2024-10-01 through 2024-10-26
Mon,Thu-Sun 10:50 Asheville/Hendersonville (AVL) 11:56 Chicago O'Hare (ORD) 2
UA 4637 Non-stop Canadair CRJ (CRJ) 2:06 Effective 2024-09-26 through 2024-09-30
Fri 10:50 Nashville (BNA) 13:18 George Bush, Houston (IAH) B
UA 4637 Non-stop Embraer EMB 175 (E7W) 2:28 Operates only on 2024-11-29
Mon,Thu,Fri,Sun 10:59 Asheville/Hendersonville (AVL) 12:05 Chicago O'Hare (ORD) 2
UA 4637 Non-stop Canadair CRJ (CRJ) 2:06 Valid until 2024-09-02
Daily 10:59 Asheville/Hendersonville (AVL) 12:05 Chicago O'Hare (ORD) 2
UA 4637 Non-stop Canadair CRJ (CRJ) 2:06 Effective 2024-09-03 through 2024-09-25
This flight number is listed as serving the following routes:


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United Airlines flight UA 4637: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4637
07:45
Denver (DEN)

10:01
Tucson (TUS)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)
United Airlines UA4637
07:45
Denver (DEN)

09:56
Tucson (TUS)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:11, non-stop
Canadair CRJ 700 (CR7)
United Airlines UA4637
07:45
Denver (DEN)

10:00
Tucson (TUS)
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Canadair CRJ 700 (CR7)
United Airlines UA4637
07:46
Denver (DEN)

08:59
Tucson (TUS)
Effective 2024-10-27 through 2024-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:13, non-stop
Canadair CRJ 700 (CR7)
United Airlines UA4637
07:46
Denver (DEN)

09:59
Tucson (TUS)
Effective 2024-11-03 through 2024-11-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:13, non-stop
Canadair CRJ 700 (CR7)
United Airlines UA4637
07:46
Denver (DEN)

09:59
Tucson (TUS)
Effective 2024-11-30 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:13, non-stop
Canadair CRJ 700 (CR7)
United Airlines UA4637
07:50
Denver (DEN)

10:01
Tucson (TUS)
Effective 2025-02-13 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:11, non-stop
Embraer EMB 175 (E7W)
United Airlines UA4637
07:50
Denver (DEN)

09:01
Tucson (TUS)
Effective from 2025-03-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:11, non-stop
Embraer EMB 175 (E7W)
United Airlines UA4637
08:40
Appleton (ATW)

10:29
Denver (DEN)
Effective 2024-10-01 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Embraer EMB 175 (E7W)
United Airlines UA4637
10:50
Asheville/Hendersonville (AVL)

11:56
Chicago O'Hare (ORD) 2
Effective 2024-09-26 through 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Canadair CRJ (CRJ)
United Airlines UA4637
10:50
Nashville (BNA)

13:18
George Bush, Houston (IAH) B
Operates only on 2024-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:28, non-stop
Embraer EMB 175 (E7W)
United Airlines UA4637
10:59
Asheville/Hendersonville (AVL)

12:05
Chicago O'Hare (ORD) 2
Valid until 2024-09-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:06, non-stop
Canadair CRJ (CRJ)
United Airlines UA4637
10:59
Asheville/Hendersonville (AVL)

12:05
Chicago O'Hare (ORD) 2
Effective 2024-09-03 through 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Canadair CRJ (CRJ)
This flight number is listed as serving the following routes:
  • Appleton (ATW) - Denver (DEN)
  • Asheville/Hendersonville (AVL) - Chicago O'Hare (ORD)
  • Denver (DEN) - Tucson (TUS)
  • Nashville (BNA) - George Bush, Houston (IAH)
All United Airlines flights
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