Is UA4551 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Chicago)
Arrived
18 min early
Official source · Updated
Departure
Chicago
ORD
Scheduled
Sep 6
Arrival
Dayton
DAY
Actual
Scheduled 14:53
Sep 6
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Service date: · Scheduled departure date (UTC)
Arrived
58 min late
Official source · Updated
Departure
Grand Rapids
GRR
Actual
Scheduled 10:17
Sep 6
Arrival
Chicago
ORD
Actual
Scheduled 05:59
Sep 6
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
ORDDAY
GRRORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 109 min late
PIA → ORD
- 107 min late
PIA → ORD
- 19 min early
PIA → ORD
- 27 min early
PIA → ORD
- 36 min early
PIA → ORD
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 6
- Observed cancellations
- 0
- Observed occurrences
- 31
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 | Peoria | Chicago | 109 | |
| Sep 17, 2026Arrived | Peoria | Chicago | 107 | |
| Sep 16, 2026Arrived | Peoria | Chicago | -19 | |
| Sep 15, 2026Arrived | Peoria | Chicago | -27 | |
| Sep 14, 2026Arrived | Peoria | Chicago | -36 | |
| Sep 13, 2026Arrived | Peoria | Chicago | -22 | |
| Sep 12, 2026Arrived | Peoria | Chicago | -5 | |
| Sep 11, 2026Arrived | Peoria | Chicago | -38 | |
| Sep 10, 2026Arrived | Peoria | Chicago | -10 | |
| Sep 9, 2026Arrived | Peoria | Chicago | -39 | |
| Sep 8, 2026Arrived | Peoria | Chicago | -1 | |
| Sep 6, 2026Arrived | Chicago | Dayton | -18 | |
| Sep 6, 2026Arrived | Grand Rapids | Chicago | 58 | |
| Sep 5, 2026Arrived | Chicago | Dayton | 48 | |
| Sep 5, 2026Arrived | Grand Rapids | Chicago | 84 | |
| Sep 4, 2026Arrived | Chicago | Dayton | 24 | |
| Sep 4, 2026Arrived | Grand Rapids | Chicago | 13 | |
| Sep 1, 2026Arrived | Chicago | Dayton | -25 | |
| Aug 28, 2026Arrived | Chicago | Dayton | -12 | |
| Aug 27, 2026Arrived | Chicago | Dayton | 5 |