Is AC3770 delayed?
No — AC3770 landed in San Francisco on schedule (12 min behind), at 15:46 on Sep 28 (as of Sep 28, 23:25 UTC). Over its last 23 recorded arrivals, 2 landed more than 15 min late.
On schedule (12 min behind)
Official source · Updated
Departure
Tucson
TUS
Scheduled
Not available
Arrival
San Francisco
SFO
Actual
Scheduled 15:34
Sep 28
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL5583
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Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On schedule (12 min behind)
Tucson → San Francisco
- 19 min late
Tucson → San Francisco
- 22 min early
Tucson → San Francisco
- 21 min early
Tucson → San Francisco
- 5 min early
Tucson → San Francisco
Flight history and details
Aug 30, 2026 — Sep 29, 2026
- Observed arrivals
- 23
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 23
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 28, 2026Arrived | Tucson | San Francisco | 12 | |
| Sep 27, 2026Arrived | Tucson | San Francisco | 19 | |
| Sep 26, 2026Arrived | Tucson | San Francisco | -22 | |
| Sep 25, 2026Arrived | Tucson | San Francisco | -21 | |
| Sep 24, 2026Arrived | Tucson | San Francisco | -5 | |
| Sep 23, 2026Arrived | Tucson | San Francisco | -26 | |
| Sep 22, 2026Arrived | Tucson | San Francisco | -23 | |
| Sep 21, 2026Arrived | Tucson | San Francisco | -20 | |
| Sep 20, 2026Arrived | Tucson | San Francisco | 22 | |
| Sep 19, 2026Arrived | Tucson | San Francisco | -4 | |
| Sep 18, 2026Arrived | Tucson | San Francisco | -12 | |
| Sep 16, 2026Arrived | Tucson | San Francisco | -34 | |
| Sep 15, 2026Arrived | Tucson | San Francisco | -33 | |
| Sep 14, 2026Arrived | Tucson | San Francisco | -20 | |
| Sep 13, 2026Arrived | Tucson | San Francisco | -9 | |
| Sep 12, 2026Arrived | Tucson | San Francisco | -9 | |
| Sep 11, 2026Arrived | Tucson | San Francisco | 6 | |
| Sep 10, 2026Arrived | Tucson | San Francisco | -23 | |
| Sep 9, 2026Arrived | Tucson | San Francisco | -19 | |
| Sep 8, 2026Arrived | Tucson | San Francisco | -16 | |
| Sep 7, 2026Arrived | Tucson | San Francisco | -23 | |
| Sep 5, 2026Arrived | Tucson | San Francisco | -25 | |
| Sep 4, 2026Arrived | Tucson | San Francisco | -24 |