United Airlines
flight
UA 684:
Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
United Airlines UA684
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:47, non-stop
Airbus A319 (319)
Airbus A319 (319)
Direct Flights:
United Airlines UA684
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:53, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA684
Effective 2026-01-10 through 2026-02-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:53, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA684
Effective 2026-01-19 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:53, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA684
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:53, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA684
Operates only on 2026-02-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:53, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA684
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA684
Operates only on 2026-01-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:53, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA684
Effective 2026-05-21 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:13, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA684
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:45, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA684
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:34, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA684
Valid until 2026-01-03
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 3:38, non-stop
Airbus A319 (319)
Airbus A319 (319)
Direct Flights:
United Airlines UA684
Valid until 2026-01-05
Mon
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Duration: 3:38, non-stop
Airbus A319 (319)
Airbus A319 (319)
Direct Flights:
United Airlines UA684
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:58, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA684
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:58, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA684
Effective 2026-05-21 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:49, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA684
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:43, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA684
Effective 2026-05-21 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:58, 2-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
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Parallax here
This flight number is listed as serving the following routes:
- Austin (AUS) - Newark Liberty, New York (EWR)
- Denver (DEN) - Knoxville (TYS)
- Los Angeles (LAX) - Seattle-Tacoma (SEA)
- Raleigh/Durham (RDU) - Los Angeles (LAX)
- Raleigh/Durham (RDU) - Seattle-Tacoma (SEA)
- Raleigh/Durham (RDU) - Washington Dulles (IAD)
- Washington Dulles (IAD) - Charleston (CHS)
- Washington Dulles (IAD) - Los Angeles (LAX)
- Washington Dulles (IAD) - Seattle-Tacoma (SEA)