Is UA4778 delayed?
No — UA4778 landed in Chicago 27 min early, at 05:32 on Sep 28 (as of Sep 28, 12:50 UTC). Over its last 15 recorded arrivals, 4 landed more than 15 min late.
27 min early
Official source · Updated
Departure
Grand Rapids
GRR
Actual
Scheduled 05:44
Sep 28
Arrival
Chicago
ORD
Actual
Scheduled 05:59
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (America/Detroit)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
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Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 27 min early
Grand Rapids → Chicago
- 26 min early
Grand Rapids → Chicago
- 7 min early
Grand Rapids → Chicago
- 8 min early
Grand Rapids → Chicago
- 25 min early
Green Bay → Chicago
Flight history and details
Aug 29, 2026 — Sep 28, 2026
- Observed arrivals
- 15
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 16
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 28, 2026Arrived | Grand Rapids | Chicago | -27 | |
| Sep 27, 2026Arrived | Grand Rapids | Chicago | -26 | |
| Sep 26, 2026Arrived | Grand Rapids | Chicago | -7 | |
| Sep 25, 2026Arrived | Grand Rapids | Chicago | -8 | |
| Sep 24, 2026Arrived | Green Bay | Chicago | -25 | |
| Sep 23, 2026Arrived | Denver | St Louis | -5 | |
| Sep 19, 2026Arrived | Denver | St Louis | 45 | |
| Sep 18, 2026Arrived | Denver | St Louis | 17 | |
| Sep 16, 2026Arrived | Denver | St Louis | -11 | |
| Sep 12, 2026Arrived | Denver | St Louis | 41 | |
| Sep 11, 2026Arrived | Denver | St Louis | 19 | |
| Sep 9, 2026Arrived | Denver | St Louis | -17 | |
| Sep 5, 2026Arrived | Denver | St Louis | -19 | |
| Sep 4, 2026Arrived | Denver | St Louis | -12 | |
| Sep 2, 2026Arrived | Denver | St Louis | -19 |