Live tracking not available yet
UA3878 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
ORD
Chicago O'Hare International Airport
Chicago
Scheduled 9:04 PM
MLB
Melbourne Orlando International Airport
Melbourne
Scheduled 12:56 AM
2h 52m flight time
Fri
Recent Flights
No flight history yet
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Schedule
Operates
Fri
Departure
9:04 PM
Arrival
12:56 AM
Duration
2h 52m
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Schedule valid
Mar 13 —
Mar 20, 2026