Flight DL400
Delta Air Lines | San Francisco to Boston
Departure
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Return
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DL400 | San Francisco to Boston
Operated by Delta Air Lines with 90% on-time rate. Check schedules, fares & cabin info to book your perfect journey!
Flight Information
San Francisco (SFO) to Boston (BOS)
90%On-time Rate
Departure
07:10
San Francisco International Airport
SFO
Terminal T1
5h 41m
Direct
Arrival
15:13
Logan International Airport A
BOS
Airline
Delta Air Lines
Aircraft
Airbus A321neo
Seats
--
Aircraft Age
--
Boarding Gate: --
Check-in closes at 2026-01-30 06:30. Passengers are advised to arrive at the airport at least 2 hours prior to boarding.
Flight Punctuality
On-time performance data for flight DL400
Departure Punctuality
On-time Rate
Punctuality 90%
Avg Delay
Late on average 1 hour14 minutes
Early
0%
On-time
90%
Delay <30min
0%
Delay 30-60min
0%
Delay >60min
10%
Cancelled
1%
Arrival Punctuality
On-time Rate
Punctuality 90%
Avg Delay
Late on average 1 hour14 minutes
Early
0%
On-time
90%
Delay <30min
0%
Delay 30-60min
0%
Delay >60min
10%
Cancelled
1%
Based on DL400 flight history for Last 30 Days. On-time rate: Punctuality 90%, average delay: Late on average 1 hour14 minutes.
Flight Schedule
Upcoming schedule for flight DL400
Fri, Jan 30
DL400
Delta Air Lines
A21N
07:10
SFO
San Francisco
Direct
15:13
BOS
Boston
Mon, Jan 26
DL400
Delta Air Lines
A21N
13:13
SFO
San Francisco
Direct
21:17
BOS
Boston
Sat, Jan 31
DL400
Delta Air Lines
A21N
07:10
SFO
San Francisco
Direct
15:43
BOS
Boston
Sun, Jan 25
DL400
Delta Air Lines
A21N
22:58
SFO
San Francisco
Direct
07:02
BOS
Boston
Thu, Jan 29
DL400
Delta Air Lines
A21N
07:14
SFO
San Francisco
Direct
15:23
BOS
Boston
Tue, Jan 27
DL400
Delta Air Lines
A21N
--
SFO
San Francisco
Direct
--
BOS
Boston
Wed, Jan 28
DL400
Delta Air Lines
A21N
07:24
SFO
San Francisco
Direct
15:20
BOS
Boston
Schedule Information
Flight schedules are subject to change. Please check with the airline for the most up-to-date information.
Cabin Information
Available cabin classes for flight DL400
💼
Business
DL400
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
Facilities & Amenities
Meal included
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
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