Live tracking not available yet
UA4021 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
SDF
Louisville Muhammad Ali International Airport
Louisville
Gate A11 Scheduled 9:55 AM
Actual 9:55 AM
IAD
Washington Dulles International Airport
Dulles
Gate C18 Scheduled 11:38 AM
Actual 11:38 AM
Baggage claim 3
1h 43m flight time
Daily
Operated by Mesa Airlines
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Daily
Departure
9:55 AM
Arrival
11:38 AM
Duration
1h 43m
Aircraft
Embraer E175 Long Wing
Gate
A11
C18
Actual
09:55
11:38
Baggage
Carousel 3
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 —
Mar 28, 2026