Is AC3478 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
26 min early
Official source · Updated
Departure
Anchorage
ANC
Scheduled
Sep 9
Arrival
Chicago
ORD
Actual
Scheduled 09:11
Sep 9
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL834
ANCORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 32 min early
DEN → ORD
- 27 min late
DEN → ORD
- 42 min early
DEN → ORD
- 24 min early
DEN → ORD
- 45 min early
DEN → ORD
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 12
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 12
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 18, 2026Arrived | Denver | Chicago | -32 | |
| Sep 15, 2026Arrived | Denver | Chicago | 27 | |
| Sep 13, 2026Arrived | Denver | Chicago | -42 | |
| Sep 12, 2026Arrived | Denver | Chicago | -24 | |
| Sep 11, 2026Arrived | Denver | Chicago | -45 | |
| Sep 10, 2026Arrived | Anchorage | Chicago | -35 | |
| Sep 9, 2026Arrived | Anchorage | Chicago | -26 | |
| Sep 8, 2026Arrived | Anchorage | Chicago | -27 | |
| Sep 7, 2026Arrived | Anchorage | Chicago | 24 | |
| Sep 6, 2026Arrived | Anchorage | Chicago | -18 | |
| Sep 5, 2026Arrived | Anchorage | Chicago | -43 | |
| Sep 4, 2026Arrived | Anchorage | Chicago | -31 |