DL 9979 Chicago to Seattle Flight Status

Delta Air Lines Flight DL9979 from Chicago O'Hare International Airport ORD to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on April 9th, 2026.
Check the table below for DL9979's most recent flight history:

DL 9979 Flight Status & Schedule

Date Departure Arrival Status
Apr 09 23:07 01:08
Delayed
Track >
Apr 08 10:23 00:05
Unknown
Track >

Delta Air Lines DL 9979 Chicago to Seattle Flight Information

Delta Air Lines Flight DL9979 connects Chicago, United States to Seattle, United States, taking off from Chicago O'Hare International Airport ORD and landing at Seattle Tacoma International Airport SEA.

How long is the DL9979 flight from Chicago to Seattle?

The average flight time from Chicago to Seattle is 4 hours and 1 minute. The flight distance is 2762 km / 1716 miles and the average flight speed is 682 km/h / 424 mph.

What is the On-Time Performance (OTP) of Delta Air Lines Flight DL9979 Chicago to Seattle?

The Airportia On-Time Performance Rating for Delta Air Lines Flight DL9979 is 4.3/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight DL9979 arriving at?

Flight DL9979 arrives at Seattle Tacoma International Airport (SEA) Terminal 2.

When was the latest DL9979 flight?

The latest flight took off on Friday, April 10th, 2026 with the flight status being En-Route on 01:08.

How else can the flight DL9979 be referenced as?

This Delta Air Lines flight can also be referenced as DAL9979, DL 9979, DAL 9979.

How often is flight DL9979 delayed?

On average, 50% of all DL9979 flights are delayed. The average delay is 79 minutes.

Can I get compensation for my delayed or cancelled DL9979 flight or baggage issues?

If your DL9979 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 DL9979 Flight Tracker above for more details.

DL9979 and Chicago ORD to Seattle SEA Flights

Other flights departing from Chicago ORD: NK586, OO5532, LO2096, UA3704

Other flights arriving at Seattle SEA: AS157, AS609, AS316, AS455

All flights connecting Chicago ORD to Seattle SEA.

DL9979 Delta Air Lines Flight: Chicago 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.