United Airlines
flight
UA 661:
Multiple routes
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA661
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:30, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA661
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 5:20, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA661
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 5:18, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA661
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA661
Effective 2026-03-08 through 2026-03-22
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 5:09, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA661
Operates only on 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:43, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA661
Effective 2026-01-06 through 2026-01-11
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Duration: 2:46, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA661
Effective 2026-01-07 through 2026-02-03
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:46, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA661
Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 2:46, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Effective 2026-01-17 through 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Duration: 2:46, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA661
Effective 2026-02-10 through 2026-02-11
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:46, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA661
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Operates only on 2026-02-12
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:43, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Operates only on 2026-02-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:46, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA661
Effective 2026-02-13 through 2026-02-27
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA661
Effective 2026-02-14 through 2026-03-02
Mon
Tue
-
-
Wed
Thu
Fri
-
-
Sat
Sun
Duration: 2:43, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Effective 2026-02-17 through 2026-03-03
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:43, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA661
Operates only on 2026-03-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:43, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA661
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 2:43, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA661
Operates only on 2026-03-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:43, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Effective 2026-03-14 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA661
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 2:46, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Operates only on 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:46, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Operates only on 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 2:47, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA661
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:47, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA661
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:46, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA661
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 4:47, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA661
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 4:47, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA661
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:47, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA661
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:41, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA661
Effective 2026-02-12 through 2026-03-06
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 4:49, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA661
Effective 2026-03-07 through 2026-03-28
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Duration: 4:49, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA661
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:43, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:31, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:02, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 9:42, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-02-12
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 9:33, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Effective 2026-02-13 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 9:38, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:47, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-08 through 2026-03-22
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 8:38, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 6:26, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA661
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 6:21, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 6:22, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA661
Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 10:23, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-01-11
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 10:23, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA661
Effective 2026-01-25 through 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 10:23, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:15, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-02-12
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 10:24, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Effective 2026-02-13 through 2026-02-27
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Duration: 10:19, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Effective 2026-02-15 through 2026-03-02
Mon
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
Duration: 10:19, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 10:19, 1-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-03-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 10:19, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-14 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 10:19, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 8:54, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 8:54, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 8:54, 1-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA661
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:58, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA661
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:52, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:06, 2-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:13, 2-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Duration: 17:18, 2-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 17:14, 2-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 16:52, 2-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA661
Effective 2026-03-08 through 2026-03-22
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 16:14, 2-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 12:34, 2-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA661
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 12:29, 2-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA661
Operates only on 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 12:29, 2-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Los Angeles (LAX)
- Newark Liberty, New York (EWR) - Chicago O'Hare (ORD)
- Newark Liberty, New York (EWR) - Los Angeles (LAX)
- Santa Ana (SNA) - Chicago O'Hare (ORD)
- Santa Ana (SNA) - Los Angeles (LAX)
- Santa Ana (SNA) - Newark Liberty, New York (EWR)
- Tampa (TPA) - Chicago O'Hare (ORD)
- Tampa (TPA) - Los Angeles (LAX)
- Tampa (TPA) - Newark Liberty, New York (EWR)