Live tracking not available yet
UA431 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
IAD
Washington Dulles International Airport
Dulles
Gate C25 Scheduled 2:12 PM
Actual 2:26 PM
DEN
Denver International Airport
Denver
Gate A15 Scheduled 4:23 PM
Actual 3:59 PM
Baggage claim 16
4h 11m flight time
Daily
Recent Flights
Last 2 observedMar 18
Wed
IAD
DEN
Dep 14:10:00
(actual 14:25:00)
B39M
In Air
Mar 08
Sun
IAD
DEN
Dep 14:24:00
(actual 14:34:00)
32Q
Boarding
Schedule
Operates
Daily
Departure
2:12 PM
Arrival
4:23 PM
Duration
4h 11m
Aircraft
Boeing 737-900
Gate
C25
A15
Actual
14:26
15:59
Baggage
Carousel 16
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 —
Apr 29, 2026