| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 06 | DEN | SEA | 19:37 | 21:36 |
Unknown
|
Track > |
| May 05 | DEN | SEA | 20:09 | 22:37 |
Unknown
|
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| May 04 | DEN | SEA | 20:28 | 22:27 |
Unknown
|
Track > |
| May 03 | DEN | SEA | 19:47 | 22:07 |
Unknown
|
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| May 02 | DEN | SEA | 19:36 | 22:10 |
Unknown
|
Track > |
| Apr 30 | DEN | SEA | 19:45 | 22:05 |
En-Route
|
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| Apr 29 | DEN | SEA | 19:56 | 21:30 |
Landed
|
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| Apr 28 | DEN | SEA | 19:52 | 21:19 |
Landed
|
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| Apr 27 | DEN | SEA | 20:05 | 21:29 |
Landed
|
Track > |
| Apr 26 | DEN | SEA | 20:59 | 22:27 |
Landed Late
|
Track > |
Delta Air Lines Flight DL4156 connects Denver, United States to Seattle, United States, taking off from Denver International Airport DEN and landing at Seattle Tacoma International Airport SEA.
How long is the DL4156 flight from Denver to Seattle?
The average flight time from Denver to Seattle is 2 hours and 54 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 569 km/h / 354 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4156 Denver to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4156 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL4156 flight?
The latest flight took off on Thursday, May 7th, 2026 with the flight status being Unknown on 21:36.
How else can the flight DL4156 be referenced as?
This Delta Air Lines flight can also be referenced as DAL4156, DL 4156, DAL 4156.
How often is flight DL4156 delayed?
On average, 50% of all DL4156 flights are delayed. The average delay is 16 minutes.
Can I get compensation for my delayed or cancelled DL4156 flight or baggage issues?
If your DL4156 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 DL4156 Flight Tracker above for more details.
Other flights departing from Denver DEN: UA5075, UA5714, UA1602, WN972
Other flights arriving at Seattle SEA: DL2524, DL2218, DL2943, DL4049
All flights connecting Denver DEN to Seattle SEA.