Live tracking not available yet
WN4129 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
ONT
Ontario International Airport
Ontario
T4 Gate 401 Scheduled 6:25 AM
Actual 5:50 AM
DEN
Denver International Airport
Denver
Gate C52 Scheduled 9:40 AM
Actual 9:00 AM
2h 15m flight time
Daily
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Daily
Departure
6:25 AM
Arrival
9:40 AM
Duration
2h 15m
Aircraft
Boeing 737-800
Terminal
T4
Gate
401
C52
Actual
05:50
09:00
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Wed, Mar 18
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Schedule valid
Mar 13 —
Apr 06, 2026