DL 4439 Sacramento to Seattle Flight Status

Delta Air Lines Flight DL4439 from Sacramento International Airport SMF to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 6th, 2026.
Check the table below for DL4439's most recent flight history:

DL 4439 Flight Status & Schedule

Date Departure Arrival Status
May 06 11:06 13:13
Unknown
Track >
May 05 11:06 13:07
Unknown
Track >
May 04 11:04 13:02
Unknown
Track >
May 03 11:04 12:56
Unknown
Track >
Apr 30 11:12 13:26
En-Route
Track >

Delta Air Lines DL 4439 Sacramento to Seattle Flight Information

Delta Air Lines Flight DL4439 connects Sacramento, United States to Seattle, United States, taking off from Sacramento International Airport SMF and landing at Seattle Tacoma International Airport SEA.

How long is the DL4439 flight from Sacramento to Seattle?

The average flight time from Sacramento to Seattle is 1 hour and 45 minutes. The flight distance is 975 km / 606 miles and the average flight speed is 553 km/h / 344 mph.

What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4439 Sacramento to Seattle?

The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4439 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest DL4439 flight?

The latest flight took off on Wednesday, May 6th, 2026 with the flight status being Unknown on 13:13.

How else can the flight DL4439 be referenced as?

This Delta Air Lines flight can also be referenced as DAL4439, DL 4439, DAL 4439.

How often is flight DL4439 delayed?

On average, 0% of all DL4439 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled DL4439 flight or baggage issues?

If your DL4439 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 DL4439 Flight Tracker above for more details.

DL4439 and Sacramento SMF to Seattle SEA Flights

Flight DL4439 is code-shared by 2 airlines using the flight numbers VS2366, KL6322

Other flights departing from Sacramento SMF: WN2973, AS3368, AS277, WN3389

Other flights arriving at Seattle SEA: AS172, AS1388, WN3389, DL3735

All flights connecting Sacramento SMF to Seattle SEA.

DL4439 Delta Air Lines Flight: Sacramento 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.