Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

DL4070 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL4070, which currently operates between the airports of Ontario - Ontario International Airport (Airport Code ONT) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Wednesday, December 24, 2025.

DL4070 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

DL4070 Delta Air Lines from Ontario

Scheduled - On-time
Flight Status for Wednesday December 24, 2025
This flight was also scheduled for Yesterday (December 23, 2025). See it here
This flight is also scheduled for Tomorrow (December 25, 2025). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Ontario (ONT)
December 24, 2025
Ontario International Airport
Estimated Departure Time:
02:50 pm
Terminal:
2
Gate:
208
Scheduled Departure Time: 02:50 pm

Arrival

Seattle (SEA)
December 24, 2025
Seattle-Tacoma International Airport
Estimated Arrival Time:
05:50 pm
Gate:
A7
Scheduled Arrival Time: 05:50 pm
Baggage: 6
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Additional Information

Which is the frequency of flight DL4070?
The flight DL4070 is scheduled to flight on Monday, Tuesday, Wednesday, Saturday, Sunday on a weekly basis.

Which is the distance of flight DL4070?
The distance between the two airports is 957 miles.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airlines serves the same route between Ontario and Seattle:

Alaska Airlines
- Flight Number: AS594. (On Time performance: 77 - Average Delay: 19 minutes)
- Flight Number: AS607. (On Time performance: 85 - Average Delay: 12 minutes)
- Flight Number: AS654. (On Time performance: 91 - Average Delay: 4 minutes)
- Flight Number: AS665. (On Time performance: 72 - Average Delay: 10 minutes)

Delta Air Lines
- Flight Number: DL3834.
- Flight Number: DL4031. (On Time performance: 92 - Average Delay: 9 minutes)
- Flight Number: DL4042. (On Time performance: 97 - Average Delay: 9 minutes)
- Flight Number: DL4096. (On Time performance: 93 - Average Delay: 9 minutes)

Frontier Airlines
- Flight Number: F92275. (On Time performance: 86 - Average Delay: 6 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from December 02, 2024 to June 07, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights DL4070

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
23 December
11:48 am
Ontario (ONT)
02:22 pm
Seattle (SEA)
02h 34min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
22 December
12:14 pm
Ontario (ONT)
02:43 pm
Seattle (SEA)
02h 29min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
21 December
11:41 am
Ontario (ONT)
02:32 pm
Seattle (SEA)
02h 51min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
20 December
11:32 am
Ontario (ONT)
02:45 pm
Seattle (SEA)
03h 13min
Embraer 175 (E
Embraer 175 (E
Landed - On-time