Is AA4121 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
17 min early
Official source · Updated
Departure
Green Bay
GRB
Actual
Scheduled 11:10
Sep 7
Arrival
Chicago
ORD
Actual
Scheduled 06:56
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
GRBORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 18 min early
GRB → ORD
- 48 min early
GRB → ORD
- 15 min early
GRB → ORD
- 25 min early
GRB → ORD
- 29 min early
GRB → ORD
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 13
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 | Green Bay | Chicago | -18 | |
| Sep 15, 2026Arrived | Green Bay | Chicago | -48 | |
| Sep 14, 2026Arrived | Green Bay | Chicago | -15 | |
| Sep 13, 2026Arrived | Green Bay | Chicago | -25 | |
| Sep 12, 2026Arrived | Green Bay | Chicago | -29 | |
| Sep 11, 2026Arrived | Green Bay | Chicago | -23 | |
| Sep 10, 2026Arrived | Green Bay | Chicago | -29 | |
| Sep 9, 2026Arrived | Green Bay | Chicago | -13 | |
| Sep 8, 2026Arrived | Green Bay | Chicago | -20 | |
| Sep 7, 2026Arrived | Green Bay | Chicago | -17 | |
| Sep 6, 2026Arrived | Green Bay | Chicago | -16 | |
| Sep 5, 2026Arrived | Green Bay | Chicago | -15 | |
| Sep 4, 2026Arrived | Green Bay | Chicago | 20 |