Live tracking not available yet
UA1821 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
IAH
George Bush Intercontinental Airport
Houston
TC Gate D2A Scheduled 12:03 PM
Actual 12:03 PM
RDU
Raleigh-Durham International Airport
Raleigh/Durham
T2 Gate D12 Scheduled 3:45 PM
Actual 3:45 PM
Baggage claim 4
2h 42m flight time
Daily
Recent Flights
Last 1 observedMar 16
Mon
IAH
RDU
Dep 12:03:00
(actual 13:34:00)
320
Boarding
Schedule
Operates
Daily
Departure
12:03 PM
Arrival
3:45 PM
Duration
2h 42m
Aircraft
Airbus A320
Terminal
TC
T2
Gate
D2A
D12
Actual
12:03
15:45
Baggage
Carousel 4
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