United Airlines flight UA 1646: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:12 Fort Lauderdale (FLL) 1 12:14 Newark Liberty, New York (EWR) C
UA 1646 Non-stop Boeing 737 MAX 8 (7M8) 3:02 Effective 2026-04-30 through 2026-05-20
Daily 09:20 Fort Lauderdale (FLL) 1 12:26 Newark Liberty, New York (EWR) C
UA 1646 Non-stop Boeing 737-900 (739) 3:06 Effective 2026-03-29 through 2026-04-29
Daily 10:50 Buffalo (BUF) 11:45 Chicago O'Hare (ORD) 1
UA 1646 Non-stop Airbus A319 (319) 1:55 Effective from 2026-09-08
Sat 11:59 Newark Liberty, New York (EWR) A 15:14 Fort Lauderdale (FLL) 1
UA 1646 Non-stop Boeing 737-900 (739) 3:15 Valid until 2026-01-03
Mon-Thu,Sun 12:00 Newark Liberty, New York (EWR) C 15:15 Fort Lauderdale (FLL) 1
UA 1646 Non-stop Boeing 737-900 (739) 3:15 Valid until 2026-01-05
Fri 12:00 Newark Liberty, New York (EWR) C 15:15 Fort Lauderdale (FLL) 1
UA 1646 Non-stop Boeing 737 MAX 9 (7M9) 3:15 Operates only on 2026-01-02
Daily 12:45 Chicago O'Hare (ORD) 1 15:14 New Orleans (MSY)
UA 1646 Non-stop Airbus A320 (320) 2:29 Effective 2026-09-08 through 2026-10-24
Daily 14:15 Miami (MIA) 16:59 Chicago O'Hare (ORD) 1
UA 1646 Non-stop Boeing 737-800 (738) 3:44 Effective 2026-02-12 through 2026-03-04
Daily 15:50 Honolulu (HNL) 2 23:59 San Francisco (SFO) 3
UA 1646 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2026-05-21 through 2026-09-07
Wed 16:41 San Francisco (SFO) 3 00:01 Indianapolis (IND)
UA 1646 Non-stop Airbus A319 (319) 4:20 Effective 2026-01-07 through 2026-01-14
The flight arrives 1 day after departure.
Mon,Thu,Sun 23:59 Los Angeles (LAX) 7 04:56 Austin (AUS)
UA 1646 Non-stop Boeing 737 MAX 9 (7M9) 2:57 Effective 2026-03-05 through 2026-03-26
The flight arrives 1 day after departure.
Fri 23:59 Los Angeles (LAX) 7 04:56 Austin (AUS)
UA 1646 Non-stop Boeing 737-900 (739) 2:57 Effective 2026-03-06 through 2026-03-27
The flight arrives 1 day after departure.
Sat 23:59 Los Angeles (LAX) 7 05:56 Austin (AUS)
UA 1646 Non-stop Boeing 737 MAX 8 (7M8) 2:57 Operates only on 2026-03-07
The flight arrives 1 day after departure.
Sat 23:59 Los Angeles (LAX) 7 04:56 Austin (AUS)
UA 1646 Non-stop Boeing 737-800 (738) 2:57 Effective 2026-03-14 through 2026-03-28
The flight arrives 1 day after departure.
Non-Direct Flights:
Daily 10:50 Buffalo (BUF) 15:14 New Orleans (MSY)
UA 1646 1-stop Airbus A319 (319) 5:24 Effective 2026-09-08 through 2026-10-24
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1646: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1646
09:12
Fort Lauderdale (FLL) 1

12:14
Newark Liberty, New York (EWR) C
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:02, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1646
09:20
Fort Lauderdale (FLL) 1

12:26
Newark Liberty, New York (EWR) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1646
10:50
Buffalo (BUF)

11:45
Chicago O'Hare (ORD) 1
Effective from 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1646
11:59
Newark Liberty, New York (EWR) A

15:14
Fort Lauderdale (FLL) 1
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1646
12:00
Newark Liberty, New York (EWR) C

15:15
Fort Lauderdale (FLL) 1
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1646
12:00
Newark Liberty, New York (EWR) C

15:15
Fort Lauderdale (FLL) 1
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1646
12:45
Chicago O'Hare (ORD) 1

15:14
New Orleans (MSY)
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:29, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1646
14:15
Miami (MIA)

16:59
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:44, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1646
15:50
Honolulu (HNL) 2

23:59
San Francisco (SFO) 3
Effective 2026-05-21 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1646
16:41
San Francisco (SFO) 3

00:01(+1)
Indianapolis (IND)
Effective 2026-01-07 through 2026-01-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, non-stop
Airbus A319 (319)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA1646
23:59
Los Angeles (LAX) 7

04:56(+1)
Austin (AUS)
Effective 2026-03-05 through 2026-03-26
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA1646
23:59
Los Angeles (LAX) 7

04:56(+1)
Austin (AUS)
Effective 2026-03-06 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:57, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA1646
23:59
Los Angeles (LAX) 7

05:56(+1)
Austin (AUS)
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:57, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA1646
23:59
Los Angeles (LAX) 7

04:56(+1)
Austin (AUS)
Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:57, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1646
10:50
Buffalo (BUF)

15:14
New Orleans (MSY)
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:24, 1-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Chicago O'Hare (ORD)
  • Buffalo (BUF) - New Orleans (MSY)
  • Chicago O'Hare (ORD) - New Orleans (MSY)
  • Honolulu (HNL) - San Francisco (SFO)
  • Los Angeles (LAX) - Austin (AUS)
  • Miami (MIA) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - Fort Lauderdale (FLL)
  • San Francisco (SFO) - Indianapolis (IND)
All United Airlines flights
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