Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

DL1012 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL1012, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Thursday, December 25, 2025.

DL1012 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

DL1012 Delta Air Lines from Seattle

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

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Boeing 737-800 Passenger

Departure

Seattle (SEA)
December 25, 2025
Seattle-Tacoma International Airport
Estimated Departure Time:
03:30 pm
Terminal:
-
Gate:
-
Scheduled Departure Time: 03:30 pm

Arrival

San Francisco (SFO)
December 25, 2025
San Francisco International Airport
Estimated Arrival Time:
05:36 pm
Terminal:
1
Gate:
-
Scheduled Arrival Time: 05:42 pm
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.airport-sfo.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.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- AF2273 - Air France

- AM3372 - Aeromexico

- KL6444 - KLM Royal Dutch Airlines

- WS5589 - WestJet

Additional Information

Which is the frequency of flight DL1012?
The flight DL1012 is scheduled to flight on Monday, Tuesday, Wednesday, Sunday on a weekly basis.

Which is the distance of flight DL1012?
The distance between the two airports is 679 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 Seattle and San Francisco:

Alaska Airlines
- Flight Number: AS1385. (On Time performance: 78 - Average Delay: 12 minutes)
- Flight Number: AS411. (On Time performance: 78 - Average Delay: 11 minutes)
- Flight Number: AS528. (On Time performance: 72 - Average Delay: 15 minutes)
- Flight Number: AS590. (On Time performance: 62 - Average Delay: 22 minutes)
- Flight Number: AS655. (On Time performance: 63 - Average Delay: 18 minutes)
- Flight Number: AS680. (On Time performance: 68 - Average Delay: 15 minutes)
- Flight Number: AS688. (On Time performance: 71 - Average Delay: 16 minutes)
- Flight Number: AS725. (On Time performance: 75 - Average Delay: 16 minutes)

Delta Air Lines
- Flight Number: DL1412. (On Time performance: 65 - Average Delay: 25 minutes)
- Flight Number: DL2635. (On Time performance: 75 - Average Delay: 13 minutes)
- Flight Number: DL2636. (On Time performance: 73 - Average Delay: 11 minutes)
- Flight Number: DL2841.
- Flight Number: DL3707. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: DL3720.
- Flight Number: DL3899.
- Flight Number: DL3991. (On Time performance: 80 - Average Delay: 10 minutes)

United Airlines
- Flight Number: UA1049.
- Flight Number: UA1116. (On Time performance: 70 - Average Delay: 20 minutes)
- Flight Number: UA1330. (On Time performance: 74 - Average Delay: 18 minutes)
- Flight Number: UA1372. (On Time performance: 62 - Average Delay: 52 minutes)
- Flight Number: UA1424. (On Time performance: 81 - Average Delay: 21 minutes)
- Flight Number: UA1482. (On Time performance: 81 - Average Delay: 11 minutes)
- Flight Number: UA2467.
- Flight Number: UA2482. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: UA2632. (On Time performance: 53 - Average Delay: 38 minutes)
- Flight Number: UA2640. (On Time performance: 78 - Average Delay: 17 minutes)
- Flight Number: UA4672. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: UA5289. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA5788.
- Flight Number: UA643. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA737. (On Time performance: 80 - Average Delay: 14 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 January 05, 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.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights DL1012

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
23 December
10:12 pm
Seattle (SEA)
12:46 am
San Francisco (SFO)
02h 34min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
22 December
01:00 am
Seattle (SEA)
03:12 am
San Francisco (SFO)
02h 12min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Sunday
21 December
10:16 pm
Seattle (SEA)
12:48 am
San Francisco (SFO)
02h 32min
Boeing 737-800
Boeing 737-800
Landed - Delayed