Is DL400 delayed?
No delay reported yet — DL400 is scheduled to leave San Francisco at 07:32 on Sep 26 and reach Boston at 15:46 (as of Sep 26, 07:51 UTC). Over its last 18 recorded arrivals, 1 landed more than 15 min late.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
San Francisco
SFO
Scheduled
Sep 26
Arrival
Boston
BOS
Scheduled
Sep 26
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Think DL400 runs late today? Delayed is trading at 20¢ — pays out x5.07.
Will Delta Air Lines DAL 400 from San Francisco to Boston arrive on time, be delayed, or be cancelled on Sep 26?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 4 min late
SFO → BOS
- 25 min late
SFO → BOS
- 15 min late
SFO → BOS
- 6 min early
SFO → BOS
- 23 min early
SFO → BOS
Flight history and details
Aug 27, 2026 — Sep 26, 2026
- Observed arrivals
- 18
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 1
- Observed occurrences
- 28
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 25, 2026Arrived | San Francisco | Boston | 4 | |
| Sep 24, 2026Arrived | San Francisco | Boston | 25 | |
| Sep 23, 2026Arrived | San Francisco | Boston | 15 | |
| Sep 22, 2026Arrived | San Francisco | Boston | -6 | |
| Sep 21, 2026Arrived | San Francisco | Boston | -23 | |
| Sep 20, 2026Arrived | San Francisco | Boston | 8 | |
| Sep 19, 2026Arrived | San Francisco | Boston | -17 | |
| Sep 18, 2026Arrived | San Francisco | Boston | 3 | |
| Sep 17, 2026Arrived | San Francisco | Boston | -7 | |
| Sep 16, 2026Arrived | San Francisco | Boston | -19 | |
| Sep 15, 2026Arrived | San Francisco | Boston | -26 | |
| Sep 11, 2026Arrived | San Francisco | Boston | 1 | |
| Sep 10, 2026Cancelled | San Francisco | Boston | Not available | Not available |
| Sep 9, 2026Arrived | San Francisco | Boston | -9 | |
| Sep 7, 2026Arrived | San Francisco | Boston | -1 | |
| Sep 6, 2026Arrived | San Francisco | Boston | -40 | |
| Sep 5, 2026Arrived | San Francisco | Boston | -23 | |
| Sep 4, 2026Arrived | San Francisco | Boston | -13 | |
| Sep 2, 2026Arrived | San Francisco | Boston | -39 |