Is AC4855 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
10 min early
Official source · Updated
Departure
Dallas-Fort Worth
DFW
Scheduled
Sep 10
Arrival
Chicago
ORD
Actual
Scheduled 12:53
Sep 10
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL1634
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 84 min late
DFW → ORD
- 1 min late
DFW → ORD
- 14 min late
DFW → ORD
- 36 min early
DFW → ORD
- 42 min early
DFW → ORD
Flight history and details
Aug 17, 2026 — Sep 16, 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 15, 2026Arrived | Dallas-Fort Worth | Chicago | 84 | |
| Sep 14, 2026Arrived | Dallas-Fort Worth | Chicago | 1 | |
| Sep 13, 2026Arrived | Dallas-Fort Worth | Chicago | 14 | |
| Sep 12, 2026Arrived | Dallas-Fort Worth | Chicago | -36 | |
| Sep 11, 2026Arrived | Dallas-Fort Worth | Chicago | -42 | |
| Sep 10, 2026Arrived | Dallas-Fort Worth | Chicago | -10 | |
| Sep 9, 2026Arrived | Dallas-Fort Worth | Chicago | -9 | |
| Sep 8, 2026Arrived | Dallas-Fort Worth | Chicago | -33 | |
| Sep 7, 2026Arrived | Dallas-Fort Worth | Chicago | -38 | |
| Sep 6, 2026Arrived | Dallas-Fort Worth | Chicago | -31 | |
| Sep 5, 2026Arrived | Dallas-Fort Worth | Chicago | -16 | |
| Sep 4, 2026Arrived | Dallas-Fort Worth | Chicago | 181 |