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UA2309 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
DEN
Denver International Airport
Denver
Gate B47 Scheduled 7:45 AM
Actual 7:45 AM
SAN
San Diego International Airport
San Diego
T2 Gate 44 Scheduled 9:20 AM
Actual 9:20 AM
Baggage claim 6
2h 35m flight time
Daily
Recent Flights
Last 4 observedMar 16
Mon
DEN
SAN
Dep 07:45:00
(actual 08:21:00)
739
Boarding
Mar 14
Sat
DEN
SAN
Dep 07:45:00
(actual 08:16:00)
739
Boarding
Mar 08
Sun
DEN
SAN
Dep 07:45:00
(actual 07:56:00)
739
Boarding
Mar 06
Fri
DEN
SAN
Dep 07:45:00
(actual 08:08:00)
739
Boarding
Schedule
Operates
Daily
Departure
7:45 AM
Arrival
9:20 AM
Duration
2h 35m
Aircraft
Boeing 737-900
Gate
B47
44
Actual
07:45
09:20
Baggage
Carousel 6
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 17 —
Jun 16, 2026