United Airlines flight UA 2155: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 14:35 Idaho Falls (IDA) 16:22 Denver (DEN)
UA 2155 Non-stop Boeing 737-800 (738) 1:47 Effective 2026-03-29 through 2026-04-29
Daily 14:35 Idaho Falls (IDA) 16:22 Denver (DEN)
UA 2155 Non-stop Airbus A319 (319) 1:47 Effective 2026-04-30 through 2026-05-20
Daily 14:35 Idaho Falls (IDA) 16:23 Denver (DEN)
UA 2155 Non-stop Airbus A319 (319) 1:48 Effective 2026-05-21 through 2026-08-10
Daily 14:35 Idaho Falls (IDA) 16:18 Denver (DEN)
UA 2155 Non-stop Airbus A319 (319) 1:43 Effective 2026-08-11 through 2026-10-24
Daily 14:35 Idaho Falls (IDA) 16:19 Denver (DEN)
UA 2155 Non-stop Airbus A319 (319) 1:44 Effective from 2026-10-25
Mon-Fri,Sun 17:30 Charlotte (CLT) 18:55 Chicago O'Hare (ORD) 1
UA 2155 Non-stop Boeing 737-700 (73G) 2:25 Effective 2026-02-12 through 2026-03-06
Mon-Fri 17:30 Charlotte (CLT) 18:55 Chicago O'Hare (ORD) 1
UA 2155 Non-stop Boeing 737-700 (73G) 2:25 Effective 2026-03-09 through 2026-03-27
Daily 17:35 Charlotte (CLT) 18:55 Chicago O'Hare (ORD) 1
UA 2155 Non-stop Boeing 737-700 (73G) 2:20 Effective 2026-01-06 through 2026-01-17
Sun 17:35 Charlotte (CLT) 18:55 Chicago O'Hare (ORD) 1
UA 2155 Non-stop Airbus A319 (319) 2:20 Operates only on 2026-01-18
Daily 17:35 Charlotte (CLT) 18:55 Chicago O'Hare (ORD) 1
UA 2155 Non-stop Boeing 737-700 (73G) 2:20 Effective 2026-01-19 through 2026-02-11
Mon,Thu,Fri,Sun 19:50 Houston George Bush (IAH) C 21:55 Saint Louis (STL) 1
UA 2155 Non-stop Airbus A319 (319) 2:05 Valid until 2026-01-04
Mon,Tue,Sat 19:50 Houston George Bush (IAH) C 21:55 Saint Louis (STL) 1
UA 2155 Non-stop Airbus A320 (320) 2:05 Valid until 2026-01-05
This flight number is listed as serving the following routes:


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United Airlines flight UA 2155: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2155
14:35
Idaho Falls (IDA)

16:22
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2155
14:35
Idaho Falls (IDA)

16:22
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2155
14:35
Idaho Falls (IDA)

16:23
Denver (DEN)
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2155
14:35
Idaho Falls (IDA)

16:18
Denver (DEN)
Effective 2026-08-11 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2155
14:35
Idaho Falls (IDA)

16:19
Denver (DEN)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2155
17:30
Charlotte (CLT)

18:55
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2155
17:30
Charlotte (CLT)

18:55
Chicago O'Hare (ORD) 1
Effective 2026-03-09 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2155
17:35
Charlotte (CLT)

18:55
Chicago O'Hare (ORD) 1
Effective 2026-01-06 through 2026-01-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2155
17:35
Charlotte (CLT)

18:55
Chicago O'Hare (ORD) 1
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2155
17:35
Charlotte (CLT)

18:55
Chicago O'Hare (ORD) 1
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2155
19:50
Houston George Bush (IAH) C

21:55
Saint Louis (STL) 1
Valid until 2026-01-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2155
19:50
Houston George Bush (IAH) C

21:55
Saint Louis (STL) 1
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Airbus A320 (320)
This flight number is listed as serving the following routes:
  • Charlotte (CLT) - Chicago O'Hare (ORD)
  • Houston George Bush (IAH) - Saint Louis (STL)
  • Idaho Falls (IDA) - Denver (DEN)
All United Airlines flights
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