Live tracking not available yet
UA2661 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
PHL
Philadelphia International Airport
Philadelphia
TD Scheduled 6:12 AM
SFO
San Francisco International Airport
San Francisco
T3 Scheduled 9:30 AM
6h 18m flight time
Daily
Recent Flights
Last 2 observedMar 14
Sat
SFO
ONT
Dep 10:50:00
(actual 10:58:00)
319
Boarding
Mar 11
Wed
SFO
ONT
Dep 11:10:00
(actual 11:06:00)
738
Boarding
Schedule
Operates
Daily
Departure
6:12 AM
Arrival
9:30 AM
Duration
6h 18m
Aircraft
Boeing 737 MAX 8
Terminal
TD
T3
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Thu, Mar 26
Schedule valid
Mar 29 —
Jun 16, 2026