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DL 3990 Denver to Los Angeles Flight Status

Delta Air Lines Flight DL3990 from Denver International Airport DEN to Los Angeles International Airport LAX 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 DL3990's most recent flight history:

DL 3990 Flight Status & Schedule

Date Departure Arrival Status
May 06 19:03 20:33
En-Route
Track >
May 05 18:46 21:32
Unknown
Track >
May 04 19:02 20:33
En-Route
Track >
May 03 19:53 21:30
Delayed
Track >
May 02 18:45 20:17
Unknown
Track >

Delta Air Lines DL 3990 Denver to Los Angeles Flight Information

Delta Air Lines Flight DL3990 connects Denver, United States to Los Angeles, United States, taking off from Denver International Airport DEN and landing at Los Angeles International Airport LAX.

How long is the DL3990 flight from Denver to Los Angeles?

The average flight time from Denver to Los Angeles is 2 hours and 33 minutes. The flight distance is 1385 km / 861 miles and the average flight speed is 548 km/h / 341 mph.

What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3990 Denver to Los Angeles?

The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3990 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight DL3990 arriving at?

Flight DL3990 arrives at Los Angeles International Airport (LAX) Terminal 2.

When was the latest DL3990 flight?

The latest flight took off on Thursday, May 7th, 2026 with the flight status being En-Route on 20:33.

How else can the flight DL3990 be referenced as?

This Delta Air Lines flight can also be referenced as DAL3990, DL 3990, DAL 3990.

How often is flight DL3990 delayed?

On average, 20% of all DL3990 flights are delayed. The average delay is 58 minutes.

Can I get compensation for my delayed or cancelled DL3990 flight or baggage issues?

If your DL3990 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 DL3990 Flight Tracker above for more details.

DL3990 and Denver DEN to Los Angeles LAX Flights

Flight DL3990 is code-shared by 2 airlines using the flight numbers CI9087, KE7514

Other flights departing from Denver DEN: UA8100, UA5714, AS3332, WN2859

Other flights arriving at Los Angeles LAX: AS964, DL449, WN734, AS3414

All flights connecting Denver DEN to Los Angeles LAX.

DL3990 Delta Air Lines Flight: Denver to Los Angeles 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.