Delta Air Lines
DL400 Flight Status
According to Trip.com real-time data, the DL400 flight operated by Delta Air Lines on Oct 8, 2026 is scheduled to fly from San Francisco (SFO) to Boston (BOS). The flight is expected to depart at 7:00 AM (local time in San Francisco, UTC-7) and land at 3:02 PM (local time in Boston, UTC-4) .
Wed, Oct 7
Thu, Oct 8
Fri, Oct 9
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Arrived
The flight has arrived 14m early
5h 45m
Check-in Counter
--
Boarding Gate
C9
Arrival Gate
A21
Baggage
3
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Scheduled
Your flight will depart on time.
5h 45m
Check-in Counter
--
Boarding Gate
C9
Arrival Gate
A21
Baggage
3
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Delta Air Lines
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Scheduled
Your flight will depart on time.
5h 45m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Show more
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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from San Francisco to Boston or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
DL2986
|
Los Angeles (LAX)
San Francisco (SFO)
San Francisco (SFO)
Scheduled: 10:15 PM
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DL400 Aircraft Details
According to Trip.com real-time data, the DL400 flight flying from San Francisco to Boston on 10/8/2026 is operated by the aircraft model Airbus A321neo. This aircraft has been in service for 3y, 11m. The aircraft is equipped with 194 seats.
Airbus A321neo
Punctuality (Departure)
63
%
Punctuality (Arrival)
87
%
Early on average
7 minutes
Age
3y, 11m
Seats
194
Flight Distance
--
Economy
Business
First
Premium Economy
In-Flight Services
None
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seat Information
79 cm
More legroom than on 51% of flights
46 cm
Seat width better than on 70% of flights
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width
120°
Reclining Angle
--
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
2-2
Seat layout example
In-Flight Services
Meal included
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
86 cm
Legroom
46 cm
Seat width better than on 70% of flights
110°
Reclining Angle
--
Seat layout example
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Flight History for DL400
Trip.com historical records show that the last DL400 flight departed on Wed, Oct 7 from SFO at approximately 7:26 AM. This flight is expected to arrrive in BOS at 3:31 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Oct 3 | San Francisco (SFO) | Boston (BOS) | A21N | 7:55 AM | 3:58 PM | Arrived |
| Sun, Oct 4 | San Francisco (SFO) | Boston (BOS) | A21N | 7:52 AM | 4:09 PM | Arrived |
| Mon, Oct 5 | San Francisco (SFO) | Boston (BOS) | A21N | 8:56 AM | 5:05 PM | Arrived |
| Tue, Oct 6 | San Francisco (SFO) | Boston (BOS) | A21N | 7:38 AM | 3:43 PM | Arrived |
| Wed, Oct 7 | San Francisco (SFO) | Boston (BOS) | A21N | 7:26 AM | 3:31 PM | Arrived |
| Thu, Oct 8 | San Francisco (SFO) | Boston (BOS) | A21N | 7:00 AM | 3:02 PM | Scheduled |
| Fri, Oct 9 | San Francisco (SFO) | Boston (BOS) | A21N | 7:00 AM | 3:45 PM | Scheduled |
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DL400 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of DL400 is 63% (Late on average 31 minutes), and the on-time arrival rate is 87% (Early on average 7 minutes).
On-Time Departures
Punctuality
63
%
Late on average
31 minutes
Early
0
%
On time
63
%
30 mins late
23
%
60 mins late
3
%
90 mins late
10
%
Canceled
1
%
On-Time Arrivals
Punctuality
87
%
Early on average
7 minutes
Early
70
%
On time
17
%
30 mins late
10
%
60 mins late
3
%
90 mins late
0
%
Canceled
1
%
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Frequently Asked Questions
-
What is the current status of flight dl400?
Flight dl400 has not departed yet and is currently on schedule. Scheduled departure 7:00 AM, arrival 3:45 PM (updated Oct 8, 2026). -
Is flight dl400 on time today?
Flight dl400 has not departed yet and is currently on schedule. Scheduled departure is 7:00 AM, with arrival at 3:45 PM. Recheck gate and timing before you head to the airport. -
Has flight dl400 departed yet? What is the departure time?
Flight dl400 is scheduled to depart at 7:00 AM. The latest actual or estimated departure time is 7:00 AM, and the current status is Scheduled (updated Oct 8, 2026). -
When is flight dl400 scheduled to arrive?
Flight dl400 is scheduled to arrive at 3:45 PM. The latest estimated or actual arrival time is 3:02 PM. Status is Scheduled as of Oct 8, 2026. -
What is the gate information for flight dl400?
For flight dl400, the departure terminal is T1 and the boarding gate is C9. Gate assignments can change at short notice—confirm on airport screens before heading to security. -
What is the baggage carousel number for flight dl400?
After arrival, baggage for flight dl400 is expected at carousel 3 in terminal A. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival. -
What route does flight dl400 fly?
Flight dl400 is operated by Delta Air Lines from San Francisco (SFO) to Boston (BOS). Typical flight time is about 5 hours45 minutes; operating days may include Thursday. -
How can I check real-time status for flight dl400?
Track flight dl400 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications. -
If flight dl400 is delayed or canceled, what should I do?
If dl400 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 8, 2026). Contact Delta Air Lines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com. -
Has flight dl400 departed from San Francisco?
Flight dl400 has not departed from San Francisco (SFO) yet and is currently on schedule for 7:00 AM. -
What is the seat configuration for flight dl400?
Flight dl400 usually flies a Airbus A321neo with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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