Live tracking not available yet
UA4207 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
BFI
King County International Airport - Boeing Field
Seattle
Scheduled 1:00 PM
SEA
Seattle–Tacoma International Airport
Seattle
Scheduled 3:00 PM
2h 0m flight time
Fri
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Fri
Departure
1:00 PM
Arrival
3:00 PM
Duration
2h 0m
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Schedule valid
Mar 13 —
Mar 20, 2026