Air Canada
Is AC4737 delayed?
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Arrived
33 min late
Official source · Updated
Departure
Rome
FCO
Scheduled
Not available
Arrival
San Francisco
SFO
Actual
Scheduled 19:25
Sep 13
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL506
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min early
FCO → SFO
- 9 min early
FCO → SFO
- 11 min early
FCO → SFO
- 33 min late
FCO → SFO
- 1 min late
FCO → SFO
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 14
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 16, 2026Arrived | Rome | San Francisco | -8 | |
| Sep 15, 2026Arrived | Rome | San Francisco | -9 | |
| Sep 14, 2026Arrived | Rome | San Francisco | -11 | |
| Sep 13, 2026Arrived | Rome | San Francisco | 33 | |
| Sep 12, 2026Arrived | Rome | San Francisco | 1 | |
| Sep 11, 2026Arrived | Rome | San Francisco | 13 | |
| Sep 10, 2026Diverted | Rome | San Francisco | Not available | Not available |
| Sep 9, 2026Arrived | Rome | San Francisco | -15 | |
| Sep 8, 2026Arrived | Rome | San Francisco | -13 | |
| Sep 7, 2026Arrived | Rome | San Francisco | -17 | |
| Sep 6, 2026Arrived | Rome | San Francisco | 18 | |
| Sep 5, 2026Arrived | Rome | San Francisco | -4 | |
| Sep 4, 2026Arrived | Rome | San Francisco | -14 | |
| Sep 3, 2026Arrived | Rome | San Francisco | -2 |