United Airlines flight UA 1421: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Chicago O'Hare (ORD) 1 11:12 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Airbus A321neo (32Q) 3:12 Valid until 2026-01-05
Mon,Thu-Sun 07:00 Chicago O'Hare (ORD) 1 11:14 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Airbus A321neo (32Q) 3:14 Effective 2026-02-12 through 2026-03-02
Mon,Wed-Sun 07:00 Chicago O'Hare (ORD) 1 11:11 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Airbus A321neo (32Q) 3:11 Effective 2026-03-05 through 2026-03-28
Daily 07:00 Chicago O'Hare (ORD) 1 11:19 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Airbus A321neo (32Q) 3:19 Effective 2026-03-29 through 2026-04-29
Mon-Thu,Sat,Sun 07:03 Chicago O'Hare (ORD) 1 11:15 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Airbus A321neo (32Q) 3:12 Effective 2026-01-06 through 2026-01-15
Fri 07:03 Chicago O'Hare (ORD) 1 11:14 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Boeing 737-800 (738) 3:11 Operates only on 2026-01-09
Daily 07:03 Chicago O'Hare (ORD) 1 11:15 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Airbus A321neo (32Q) 3:12 Effective 2026-01-16 through 2026-02-03
Daily 07:03 Chicago O'Hare (ORD) 1 11:15 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Airbus A321neo (32Q) 3:12 Effective 2026-02-05 through 2026-02-11
Daily 07:10 Chicago O'Hare (ORD) 1 11:29 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Airbus A321neo (32Q) 3:19 Effective 2026-04-30 through 2026-05-20
Daily 07:10 Chicago O'Hare (ORD) 1 11:10 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Boeing 737-900 (739) 3:00 Effective 2026-05-21 through 2026-10-24
Daily 07:10 Chicago O'Hare (ORD) 1 11:20 Fort Lauderdale (FLL) 1
UA 1421 Non-stop Boeing 737-900 (739) 3:10 Effective from 2026-10-25
Daily 12:00 Fort Lauderdale (FLL) 1 14:20 Washington Dulles (IAD)
UA 1421 Non-stop Boeing 737-800 (738) 2:20 Effective from 2026-05-21
Daily 12:10 Fort Lauderdale (FLL) 1 14:49 Washington Dulles (IAD)
UA 1421 Non-stop Boeing 737-900 (739) 2:39 Effective 2026-04-30 through 2026-05-20
Mon,Thu,Fri 12:13 Fort Lauderdale (FLL) 1 14:51 Washington Dulles (IAD)
UA 1421 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-03-05 through 2026-03-27
Sat,Sun 12:13 Fort Lauderdale (FLL) 1 14:51 Washington Dulles (IAD)
UA 1421 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Effective 2026-03-07 through 2026-03-28
Tue,Wed 12:13 Fort Lauderdale (FLL) 1 14:51 Washington Dulles (IAD)
UA 1421 Non-stop Boeing 737-800 (738) 2:38 Effective 2026-03-10 through 2026-03-25
Daily 12:13 Fort Lauderdale (FLL) 1 14:52 Washington Dulles (IAD)
UA 1421 Non-stop Boeing 737-900 (739) 2:39 Effective 2026-03-29 through 2026-04-29
Mon-Fri,Sun 12:30 Fort Lauderdale (FLL) 1 15:29 Newark Liberty, New York (EWR) C
UA 1421 Non-stop Boeing 737-900 (739) 2:59 Valid until 2026-01-05
Sat 12:30 Fort Lauderdale (FLL) 1 15:30 Newark Liberty, New York (EWR) A
UA 1421 Non-stop Boeing 737 MAX 9 (7M9) 3:00 Operates only on 2026-01-03
Non-Direct Flights:
Mon-Fri,Sun 07:00 Chicago O'Hare (ORD) 1 15:29 Newark Liberty, New York (EWR) C
UA 1421 1-stop Airbus A321neo (32Q) 7:29 Valid until 2026-01-05
Sat 07:00 Chicago O'Hare (ORD) 1 15:30 Newark Liberty, New York (EWR) A
UA 1421 1-stop Airbus A321neo (32Q) 7:30 Operates only on 2026-01-03
Mon,Wed-Sun 07:00 Chicago O'Hare (ORD) 1 14:51 Washington Dulles (IAD)
UA 1421 1-stop Airbus A321neo (32Q) 6:51 Effective 2026-03-05 through 2026-03-28
Daily 07:00 Chicago O'Hare (ORD) 1 14:52 Washington Dulles (IAD)
UA 1421 1-stop Airbus A321neo (32Q) 6:52 Effective 2026-03-29 through 2026-04-29
Daily 07:10 Chicago O'Hare (ORD) 1 14:49 Washington Dulles (IAD)
UA 1421 1-stop Airbus A321neo (32Q) 6:39 Effective 2026-04-30 through 2026-05-20
Daily 07:10 Chicago O'Hare (ORD) 1 14:20 Washington Dulles (IAD)
UA 1421 1-stop Boeing 737-900 (739) 6:10 Effective 2026-05-21 through 2026-10-24
Daily 07:10 Chicago O'Hare (ORD) 1 14:20 Washington Dulles (IAD)
UA 1421 1-stop Boeing 737-900 (739) 6:10 Effective from 2026-10-25
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1421: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1421
07:00
Chicago O'Hare (ORD) 1

11:12
Fort Lauderdale (FLL) 1
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1421
07:00
Chicago O'Hare (ORD) 1

11:14
Fort Lauderdale (FLL) 1
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:14, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1421
07:00
Chicago O'Hare (ORD) 1

11:11
Fort Lauderdale (FLL) 1
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1421
07:00
Chicago O'Hare (ORD) 1

11:19
Fort Lauderdale (FLL) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:19, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1421
07:03
Chicago O'Hare (ORD) 1

11:15
Fort Lauderdale (FLL) 1
Effective 2026-01-06 through 2026-01-15
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 3:12, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1421
07:03
Chicago O'Hare (ORD) 1

11:14
Fort Lauderdale (FLL) 1
Operates only on 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:11, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1421
07:03
Chicago O'Hare (ORD) 1

11:15
Fort Lauderdale (FLL) 1
Effective 2026-01-16 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1421
07:03
Chicago O'Hare (ORD) 1

11:15
Fort Lauderdale (FLL) 1
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1421
07:10
Chicago O'Hare (ORD) 1

11:29
Fort Lauderdale (FLL) 1
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:19, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1421
07:10
Chicago O'Hare (ORD) 1

11:10
Fort Lauderdale (FLL) 1
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1421
07:10
Chicago O'Hare (ORD) 1

11:20
Fort Lauderdale (FLL) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1421
12:00
Fort Lauderdale (FLL) 1

14:20
Washington Dulles (IAD)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1421
12:10
Fort Lauderdale (FLL) 1

14:49
Washington Dulles (IAD)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1421
12:13
Fort Lauderdale (FLL) 1

14:51
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1421
12:13
Fort Lauderdale (FLL) 1

14:51
Washington Dulles (IAD)
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1421
12:13
Fort Lauderdale (FLL) 1

14:51
Washington Dulles (IAD)
Effective 2026-03-10 through 2026-03-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1421
12:13
Fort Lauderdale (FLL) 1

14:52
Washington Dulles (IAD)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1421
12:30
Fort Lauderdale (FLL) 1

15:29
Newark Liberty, New York (EWR) C
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:59, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1421
12:30
Fort Lauderdale (FLL) 1

15:30
Newark Liberty, New York (EWR) A
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1421
07:00
Chicago O'Hare (ORD) 1

15:29
Newark Liberty, New York (EWR) C
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:29, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1421
07:00
Chicago O'Hare (ORD) 1

15:30
Newark Liberty, New York (EWR) A
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:30, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1421
07:00
Chicago O'Hare (ORD) 1

14:51
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 6:51, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1421
07:00
Chicago O'Hare (ORD) 1

14:52
Washington Dulles (IAD)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:52, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1421
07:10
Chicago O'Hare (ORD) 1

14:49
Washington Dulles (IAD)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:39, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1421
07:10
Chicago O'Hare (ORD) 1

14:20
Washington Dulles (IAD)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:10, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1421
07:10
Chicago O'Hare (ORD) 1

14:20
Washington Dulles (IAD)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:10, 1-stop
Boeing 737-900 (739)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Fort Lauderdale (FLL)
  • Chicago O'Hare (ORD) - Newark Liberty, New York (EWR)
  • Chicago O'Hare (ORD) - Washington Dulles (IAD)
  • Fort Lauderdale (FLL) - Newark Liberty, New York (EWR)
  • Fort Lauderdale (FLL) - Washington Dulles (IAD)
All United Airlines flights
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