United Airlines flight UA 1239: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 11:17 Jacksonville (JAX) 13:08 Chicago O'Hare (ORD) 1
UA 1239 Non-stop Airbus A320 (320) 2:51 Effective 2026-03-29 through 2026-04-29
Daily 11:17 Jacksonville (JAX) 13:05 Chicago O'Hare (ORD) 1
UA 1239 Non-stop Boeing 737-700 (73G) 2:48 Effective from 2026-05-21
Mon,Thu-Sun 11:24 Jacksonville (JAX) 13:15 Chicago O'Hare (ORD) 1
UA 1239 Non-stop Airbus A320 (320) 2:51 Effective 2026-03-05 through 2026-03-28
Tue,Wed 13:00 Chicago O'Hare (ORD) 1 15:34 Reno (RNO)
UA 1239 Non-stop Boeing 737-700 (73G) 4:34 Effective 2026-03-10 through 2026-03-25
Daily 13:30 Chicago O'Hare (ORD) 1 16:20 Rochester (ROC)
UA 1239 Non-stop Boeing 737-700 (73G) 1:50 Valid until 2026-01-05
Daily 13:55 Chicago O'Hare (ORD) 1 16:44 Rochester (ROC)
UA 1239 Non-stop Boeing 737-700 (73G) 1:49 Effective 2026-04-30 through 2026-05-20
Daily 14:05 Chicago O'Hare (ORD) 1 16:45 Rochester (ROC)
UA 1239 Non-stop Boeing 737-800 (738) 1:40 Effective from 2026-05-21
Daily 18:35 Houston George Bush (IAH) C 20:15 Pensacola (PNS)
UA 1239 Non-stop Airbus A319 (319) 1:40 Effective 2026-02-12 through 2026-03-04
Daily 20:22 Houston George Bush (IAH) C 22:06 Denver (DEN)
UA 1239 Non-stop Airbus A321neo (32Q) 2:44 Effective 2026-01-06 through 2026-02-11
Non-Direct Flights:
Daily 11:17 Jacksonville (JAX) 16:45 Rochester (ROC)
UA 1239 1-stop Boeing 737-700 (73G) 5:28 Effective from 2026-05-21
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1239: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1239
11:17
Jacksonville (JAX)

13:08
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1239
11:17
Jacksonville (JAX)

13:05
Chicago O'Hare (ORD) 1
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1239
11:24
Jacksonville (JAX)

13:15
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1239
13:00
Chicago O'Hare (ORD) 1

15:34
Reno (RNO)
Effective 2026-03-10 through 2026-03-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:34, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1239
13:30
Chicago O'Hare (ORD) 1

16:20
Rochester (ROC)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1239
13:55
Chicago O'Hare (ORD) 1

16:44
Rochester (ROC)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1239
14:05
Chicago O'Hare (ORD) 1

16:45
Rochester (ROC)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1239
18:35
Houston George Bush (IAH) C

20:15
Pensacola (PNS)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1239
20:22
Houston George Bush (IAH) C

22:06
Denver (DEN)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:44, non-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1239
11:17
Jacksonville (JAX)

16:45
Rochester (ROC)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:28, 1-stop
Boeing 737-700 (73G)
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Parallax here -
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Reno (RNO)
  • Chicago O'Hare (ORD) - Rochester (ROC)
  • Houston George Bush (IAH) - Denver (DEN)
  • Houston George Bush (IAH) - Pensacola (PNS)
  • Jacksonville (JAX) - Chicago O'Hare (ORD)
  • Jacksonville (JAX) - Rochester (ROC)
All United Airlines flights
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