Live tracking not available yet
UA3999 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
TB Scheduled 12:25 PM
CVG
Cincinnati Northern Kentucky International Airport
Cincinnati / Covington
Scheduled 4:01 PM
2h 36m flight time
Tue
Recent Flights
No flight history yet
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Schedule
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Tue, Mar 24
Tue, Mar 31
Tue, Apr 7
Tue, Apr 14
Schedule valid
May 05 —
May 19, 2026