Is JBU1234 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
85 min late
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 14:49
Sep 17
Arrival
Boston
BOS
Actual
Scheduled 23:10
Sep 18
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 12 min late
SFO → BOS
- 85 min late
SFO → BOS
- 4 min late
SFO → BOS
- 24 min late
SFO → BOS
- 15 min late
SFO → BOS
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 6
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 6
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 20, 2026Arrived | San Francisco | Boston | 12 | |
| Sep 17, 2026Arrived | San Francisco | Boston | 85 | |
| Sep 16, 2026Arrived | San Francisco | Boston | 4 | |
| Sep 15, 2026Arrived | San Francisco | Boston | 24 | |
| Sep 13, 2026Arrived | San Francisco | Boston | 15 | |
| Sep 9, 2026Arrived | San Francisco | Boston | 103 |