United Airlines flight UA 2104: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Thu 06:00 Colorado Springs (COS) 09:42 Chicago O'Hare (ORD) 1
UA 2104 Non-stop Airbus A320 (320) 2:42 Operates only on 2025-05-22
Mon,Thu,Fri,Sun 06:00 Chicago O'Hare (ORD) 1 09:26 Boston Logan (BOS) B
UA 2104 Non-stop Boeing 737 MAX 9 (7M9) 2:26 Effective 2025-06-26 through 2025-08-18
Mon,Thu,Fri 06:30 Chicago O'Hare (ORD) 1 09:56 Boston Logan (BOS) B
UA 2104 Non-stop Boeing 737 MAX 8 (7M8) 2:26 Effective 2025-05-23 through 2025-05-30
Sat 06:30 Chicago O'Hare (ORD) 1 09:56 Boston Logan (BOS) B
UA 2104 Non-stop Boeing 737-800 (738) 2:26 Effective 2025-05-24 through 2025-06-21
Sun 06:30 Chicago O'Hare (ORD) 1 09:56 Boston Logan (BOS) B
UA 2104 Non-stop Boeing 737 MAX 9 (7M9) 2:26 Operates only on 2025-05-25
Mon,Thu,Fri,Sun 06:30 Chicago O'Hare (ORD) 1 09:56 Boston Logan (BOS) B
UA 2104 Non-stop Boeing 737 MAX 8 (7M8) 2:26 Effective 2025-06-01 through 2025-06-23
Sat 06:30 Chicago O'Hare (ORD) 1 09:56 Boston Logan (BOS) B
UA 2104 Non-stop Airbus A319 (319) 2:26 Effective 2025-06-28 through 2025-08-16
Daily 06:30 Chicago O'Hare (ORD) 1 09:56 Boston Logan (BOS) B
UA 2104 Non-stop Boeing 737-800 (738) 2:26 Effective 2025-08-19 through 2025-09-24
Daily 06:30 Chicago O'Hare (ORD) 1 09:56 Boston Logan (BOS) B
UA 2104 Non-stop Boeing 737-900 (739) 2:26 Effective 2025-09-25 through 2025-10-25
Daily 16:22 Jacksonville (JAX) 18:20 Denver (DEN)
UA 2104 Non-stop Boeing 737-800 (738) 3:58 Valid until 2025-05-21
Daily 19:55 Chicago O'Hare (ORD) 1 23:55 Fort Myers (RSW)
UA 2104 Non-stop Boeing 737-800 (738) 3:00 Effective 2025-12-18 through 2026-01-05
This flight number is listed as serving the following routes:


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United Airlines flight UA 2104: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2104
06:00
Colorado Springs (COS)

09:42
Chicago O'Hare (ORD) 1
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:42, non-stop
Airbus A320 (320)
United Airlines UA2104
06:00
Chicago O'Hare (ORD) 1

09:26
Boston Logan (BOS) B
Effective 2025-06-26 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:26, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA2104
06:30
Chicago O'Hare (ORD) 1

09:56
Boston Logan (BOS) B
Effective 2025-05-23 through 2025-05-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:26, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA2104
06:30
Chicago O'Hare (ORD) 1

09:56
Boston Logan (BOS) B
Effective 2025-05-24 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:26, non-stop
Boeing 737-800 (738)
United Airlines UA2104
06:30
Chicago O'Hare (ORD) 1

09:56
Boston Logan (BOS) B
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:26, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA2104
06:30
Chicago O'Hare (ORD) 1

09:56
Boston Logan (BOS) B
Effective 2025-06-01 through 2025-06-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:26, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA2104
06:30
Chicago O'Hare (ORD) 1

09:56
Boston Logan (BOS) B
Effective 2025-06-28 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:26, non-stop
Airbus A319 (319)
United Airlines UA2104
06:30
Chicago O'Hare (ORD) 1

09:56
Boston Logan (BOS) B
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:26, non-stop
Boeing 737-800 (738)
United Airlines UA2104
06:30
Chicago O'Hare (ORD) 1

09:56
Boston Logan (BOS) B
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:26, non-stop
Boeing 737-900 (739)
United Airlines UA2104
16:22
Jacksonville (JAX)

18:20
Denver (DEN)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:58, non-stop
Boeing 737-800 (738)
United Airlines UA2104
19:55
Chicago O'Hare (ORD) 1

23:55
Fort Myers (RSW)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737-800 (738)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Boston Logan (BOS)
  • Chicago O'Hare (ORD) - Fort Myers (RSW)
  • Colorado Springs (COS) - Chicago O'Hare (ORD)
  • Jacksonville (JAX) - Denver (DEN)
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