DL 4451 San Francisco to Seattle Flight Status

Delta Air Lines Flight DL4451 from San Francisco International Airport SFO to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 6th, 2026.
Check the table below for DL4451's most recent flight history:

DL 4451 Flight Status & Schedule

Date Departure Arrival Status
Mar 06 16:52 18:54
Landed
Track >
Mar 05 16:51 18:46
Landed
Track >
Mar 02 17:11 19:06
Landed
Track >
Mar 01 16:50 18:25
Landed
Track >
Feb 27 16:47 18:30
Landed
Track >

Delta Air Lines DL 4451 San Francisco to Seattle Flight Information

Delta Air Lines Flight DL4451 connects San Francisco, United States to Seattle, United States, taking off from San Francisco International Airport SFO and landing at Seattle Tacoma International Airport SEA.

How long is the DL4451 flight from San Francisco to Seattle?

The average flight time from San Francisco to Seattle is 1 hour and 45 minutes. The flight distance is 1093 km / 679 miles and the average flight speed is 625 km/h / 388 mph.

What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4451 San Francisco to Seattle?

The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4451 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight DL4451 arriving at?

Flight DL4451 arrives at Seattle Tacoma International Airport (SEA) Terminal B.

When was the latest DL4451 flight?

The latest flight took off on Saturday, March 7th, 2026 with the flight status being Landed on 18:54.

How else can the flight DL4451 be referenced as?

This Delta Air Lines flight can also be referenced as DAL4451, DL 4451, DAL 4451.

How often is flight DL4451 delayed?

On average, 20% of all DL4451 flights are delayed. The average delay is 9 minutes.

Can I get compensation for my delayed or cancelled DL4451 flight or baggage issues?

If your DL4451 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our DL4451 Flight Tracker above for more details.

DL4451 and San Francisco SFO to Seattle SEA Flights

Flight DL4451 is code-shared by 2 airlines using the flight numbers SK3470, VS1906

Other flights departing from San Francisco SFO: AA1930, UA5442, AA6261, UA3924

Other flights arriving at Seattle SEA: DL1591, DL1520, DL4095, DL1591

All flights connecting San Francisco SFO to Seattle SEA.

DL4451 Delta Air Lines Flight: San Francisco to Seattle Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.