Live tracking not available yet
DL4031 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
SEA
Seattle–Tacoma International Airport
Seattle
Gate A6 Scheduled 3:15 PM
Actual 2:30 PM
ONT
Ontario International Airport
Ontario
T2 Gate 209 Scheduled 5:37 PM
Actual 5:11 PM
3h 22m flight time
Daily
Operated by SkyWest Airlines
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Daily
Departure
3:15 PM
Arrival
5:37 PM
Duration
3h 22m
Aircraft
Embraer E175
Gate
A6
209
Actual
14:30
17:11
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Schedule valid
Mar 13 —
Jun 14, 2026