Is AC3400 delayed?
Service date: · Scheduled departure date (America/New_York)
Arrived
25 min early
Official source · Updated
Departure
Miami
MIA
Actual
Scheduled 12:17
Sep 11
Arrival
Chicago
ORD
Actual
Scheduled 14:48
Sep 11
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Operating flight: UAL1983
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 58 min late
MIA → ORD
- 31 min early
MIA → ORD
- 31 min late
MIA → ORD
- 6 min late
MIA → ORD
- 37 min early
MIA → ORD
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 14
- Arrivals over 15 minutes late
- 4
- 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 17, 2026Arrived | Miami | Chicago | 58 | |
| Sep 16, 2026Arrived | Miami | Chicago | -31 | |
| Sep 15, 2026Arrived | Miami | Chicago | 31 | |
| Sep 14, 2026Arrived | Miami | Chicago | 6 | |
| Sep 13, 2026Arrived | Miami | Chicago | -37 | |
| Sep 12, 2026Arrived | Miami | Chicago | -40 | |
| Sep 11, 2026Arrived | Miami | Chicago | -25 | |
| Sep 10, 2026Arrived | Miami | Chicago | 14 | |
| Sep 9, 2026Arrived | Miami | Chicago | -23 | |
| Sep 8, 2026Arrived | Miami | Chicago | 88 | |
| Sep 7, 2026Arrived | Miami | Chicago | 134 | |
| Sep 6, 2026Arrived | Miami | Chicago | -32 | |
| Sep 5, 2026Arrived | Miami | Chicago | -18 | |
| Sep 4, 2026Arrived | Miami | Chicago | -3 |