| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | BOS | DCA | 20:15 | 22:03 |
Scheduled
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| Jun 02 | BOS | DCA | 20:32 | 21:39 |
Landed
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| Jun 01 | BOS | DCA | 20:29 | 21:47 |
Landed
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| May 31 | BOS | DCA | 21:12 | 22:22 |
Landed Late
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| May 30 | BOS | DCA | 19:26 | 20:34 |
Landed
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| May 29 | BOS | DCA | 20:28 | 21:50 |
Landed
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| May 28 | BOS | DCA | 20:27 | 21:37 |
Landed
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| May 27 | BOS | DCA | 22:45 | 22:03 |
En-Route
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| May 26 | BOS | DCA | 20:36 | 21:46 |
Landed
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| May 25 | BOS | DCA | 21:22 | 22:42 |
Landed Late
|
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Delta Air Lines Flight DL5666 connects Boston, United States to Washington, United States, taking off from Boston Logan International Airport BOS and landing at Washington Ronald Reagan National Airport DCA.
How long is the DL5666 flight from Boston to Washington?
The average flight time from Boston to Washington is 1 hour and 13 minutes. The flight distance is 641 km / 398 miles and the average flight speed is 495 km/h / 307 mph.
How many DL5666 flights are operated per week?
6 flights per week. The flight DL5666 is operated on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL5666 Boston to Washington?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL5666 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL5666 arriving at?
Flight DL5666 arrives at Washington Ronald Reagan National Airport (DCA) Terminal 2.
When was the latest DL5666 flight?
The latest flight took off on Thursday, June 4th, 2026 with the flight status being Scheduled on 22:03.
How else can the flight DL5666 be referenced as?
This Delta Air Lines flight can also be referenced as DAL5666, DL 5666, DAL 5666.
How often is flight DL5666 delayed?
On average, 20% of all DL5666 flights are delayed. The average delay is 29 minutes.
Can I get compensation for my delayed or cancelled DL5666 flight or baggage issues?
If your DL5666 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 DL5666 Flight Tracker above for more details.
Flight DL5666 is code-shared by 3 airlines using the flight numbers KL5649, SK3317, WS6428
Other flights departing from Boston BOS: B61323, AA108, DL1513, UA2229
Other flights arriving at Washington DCA: UA2386, UA1627, AA4459, DL2962
All flights connecting Boston BOS to Washington DCA.
