Delta Air Lines DL4031 Flight Status
Based on real-time data from Trip.com, flight DL4031, operated by Delta Air Lines and scheduled to fly from Los Angeles (ONT to Seattle (SEA), has been cancelled. Please contact the airline or airport counter for the latest information.
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Cancelled
Please refer to the airline for the latest information
2h 50m
Check-in Counter
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Boarding Gate
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Arrival Gate
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Baggage
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Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Los Angeles to Seattle or track other flights with our flight status tracker.
DL4031 Aircraft Details
According to Trip.com real-time data, the DL4031 flight flying from Los Angeles to Seattle on 9/21/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 6y, 2m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
77%
Punctuality (Arrival)
87%
Early on average
7 minutes
Age
6y, 2m
Seats
76
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
79 cm
More legroom than on 6% of flights
46 cm
Seat width better than on 83% of flights
100°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Meal included
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
94 cm
More legroom than on 35% of flights
51 cm
Seat width
135°
Reclining Angle
1-2
Seat layout example
Onboard Amenities
Meal included
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seating Plan
86 cm
Legroom
46 cm
Seat width better than on 75% of flights
120°
Reclining Angle
--
Seat layout example
See more amenities and seat info in the app
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DL4031 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of DL4031 is 77% (Late on average 26 minutes), and the on-time arrival rate is 87% (Early on average 7 minutes).
On-Time Departures
Punctuality
77%
Late on average 26 minutes
Early
13%
On time
63%
30 mins late
10%
60 mins late
7%
90 mins late
7%
Cancelled
0%
On-Time Arrivals
Punctuality
87%
Early on average 7 minutes
Early
83%
On time
3%
30 mins late
7%
60 mins late
3%
90 mins late
3%
Cancelled
0%
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Frequently Asked Questions
What is the current status of flight dl4031?
Flight dl4031 has been canceled (status: Cancelled). Contact Delta Air Lines or your booking channel for rebooking or refund (updated Sep 21, 2026).Is flight dl4031 on time today?
Flight dl4031 has been canceled (status: Cancelled). Contact Delta Air Lines or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.What route does flight dl4031 fly?
Flight dl4031 is operated by Delta Air Lines from Los Angeles (ONT) to Seattle (SEA). Typical flight time is about 2 hours50 minutes; operating days may include Monday.How can I check real-time status for flight dl4031?
Track flight dl4031 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight dl4031 is delayed or canceled, what should I do?
If dl4031 is delayed or canceled, first confirm the latest status here (Cancelled, updated Sep 21, 2026). Contact Delta Air Lines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight dl4031 departed from Los Angeles?
Flight dl4031 has been canceled and did not depart from Los Angeles (ONT). Contact Delta Air Lines or your booking channel for next steps.What is the seat configuration for flight dl4031?
Flight dl4031 usually flies a Embraer 175 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Time on arrival: Los Angeles | Seattle
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