Is UA4517 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (UTC)
19 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
St Louis
STL
Actual
Sep 17
Arrival
Chicago
ORD
Scheduled
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Service date: · Scheduled departure date (UTC)
205 min late
Official source · Updated
Departure
St Louis
STL
Scheduled
Sep 17
Arrival
Chicago
ORD
Actual
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 322 min late
STL → ORD
- 20 min early
STL → ORD
- 205 min late
STL → ORD
- 15 min early
STL → ORD
- 98 min late
STL → ORD
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 7
- Observed cancellations
- 0
- Observed occurrences
- 33
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 19, 2026Arrived | St Louis | Chicago | 322 | |
| Sep 18, 2026Arrived | St Louis | Chicago | -20 | |
| Sep 17, 2026Arrived | St Louis | Chicago | 205 | |
| Sep 16, 2026Arrived | St Louis | Chicago | -15 | |
| Sep 15, 2026Arrived | St Louis | Chicago | 98 | |
| Sep 14, 2026Arrived | St Louis | Chicago | -36 | |
| Sep 13, 2026Arrived | St Louis | Chicago | -32 | |
| Sep 12, 2026Arrived | St Louis | Chicago | -21 | |
| Sep 11, 2026Arrived | St Louis | Chicago | -12 | |
| Sep 10, 2026Arrived | St Louis | Chicago | 410 | |
| Sep 9, 2026Arrived | St Louis | Chicago | -34 | |
| Sep 8, 2026Arrived | St Louis | Chicago | -45 | |
| Sep 7, 2026Arrived | Chicago | Allentown | 13 | |
| Sep 7, 2026Arrived | St Louis | Chicago | 2 | |
| Sep 6, 2026Arrived | St Louis | Chicago | -43 | |
| Sep 5, 2026Arrived | Chicago | Allentown | 17 | |
| Sep 4, 2026Arrived | St Louis | Chicago | 261 | |
| Aug 30, 2026Arrived | Chicago | Allentown | 50 | |
| Aug 25, 2026Arrived | Chicago | Allentown | -12 | |
| Aug 24, 2026Arrived | Chicago | Allentown | -19 |