| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 19 | SFO | BOS | 07:00 | 15:45 |
Delayed
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| Aug 18 | SFO | BOS | 07:18 | 15:30 |
Landed
|
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| Aug 17 | SFO | BOS | 07:16 | 15:06 |
Landed
|
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| Aug 16 | SFO | BOS | 07:07 | 15:12 |
Landed
|
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| Aug 15 | SFO | BOS | 07:07 | 15:09 |
Landed
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| Aug 14 | SFO | BOS | 07:25 | 15:21 |
Landed
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| Aug 13 | SFO | BOS | 07:11 | 15:13 |
Landed
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| Aug 12 | SFO | BOS | 07:21 | 15:14 |
Landed
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| Aug 11 | SFO | BOS | 07:02 | 15:01 |
Landed
|
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| Aug 10 | SFO | BOS | 07:25 | 15:28 |
Landed
|
Track > |
Delta Air Lines Flight DL400 connects San Francisco, United States to Boston, United States, taking off from San Francisco International Airport SFO and landing at Boston Logan International Airport BOS.
How long is the DL400 flight from San Francisco to Boston?
The average flight time from San Francisco to Boston is 5 hours. The flight distance is 4341 km / 2697 miles and the average flight speed is 857 km/h / 532 mph.
How many DL400 flights are operated per week?
7 flights per week. The flight DL400 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL400 San Francisco to Boston?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL400 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL400 arriving at?
Flight DL400 arrives at Boston Logan International Airport (BOS) Terminal A.
When was the latest DL400 flight?
The latest flight took off on Wednesday, August 19th, 2026 with the flight status being Scheduled on 15:45.
How else can the flight DL400 be referenced as?
This Delta Air Lines flight can also be referenced as DAL400, DL0400, DL 400, DAL 400.
How often is flight DL400 delayed?
On average, 0% of all DL400 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled DL400 flight or baggage issues?
If your DL400 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 DL400 Flight Tracker above for more details.
Flight DL400 is code-shared by 2 airlines using the flight numbers SK3586, VS1787
Other flights departing from San Francisco SFO: AA1097, AA2722, DL405, UA1149
Other flights arriving at Boston BOS: EI135, AS358, FI1211, WN1626
All flights connecting San Francisco SFO to Boston BOS.
