Alitalia
Is AZA4455 delayed?
Service date: · Actual departure date; scheduled departure unavailable (America/Chicago)
Arrived
63 min late
Official source · Updated
Departure
Chicago
ORD
Actual
Sep 15
Arrival
San Francisco
SFO
Actual
Scheduled 18:49
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL2251
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 63 min late
ORD → SFO
- 8 min early
ORD → SFO
- 16 min early
ORD → SFO
- 12 min early
ORD → SFO
- 94 min late
ORD → SFO
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 5
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 5
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 15, 2026Arrived | Chicago | San Francisco | 63 | |
| Sep 12, 2026Arrived | Chicago | San Francisco | -8 | |
| Sep 8, 2026Arrived | Chicago | San Francisco | -16 | |
| Sep 5, 2026Arrived | Chicago | San Francisco | -12 | |
| Sep 3, 2026Arrived | Chicago | San Francisco | 94 |