Is UA4397 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
20 min early
Updated
Departure
Chicago
ORD
Actual
Scheduled 10:30
Aug 26
Arrival
Chattanooga
CHA
Actual
Scheduled 17:16
Aug 26
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
ORDCHA
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 84 min late
ORD → CHA
- 22 min early
ORD → CHA
- 15 min early
ORD → CHA
- 10 min early
ORD → CHA
- On time
ORD → CHA
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 11
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 1
- Observed occurrences
- 25
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, 2026Cancelled | Chicago | Chattanooga | Not available | Not available |
| Sep 15, 2026Arrived | Chicago | Chattanooga | 84 | |
| Sep 12, 2026Arrived | Chicago | Chattanooga | -22 | |
| Sep 11, 2026Arrived | Chicago | Chattanooga | -15 | |
| Sep 10, 2026Arrived | Chicago | Chattanooga | -10 | |
| Sep 9, 2026Arrived | Chicago | Chattanooga | 0 | |
| Sep 8, 2026Arrived | Chicago | Chattanooga | -3 | |
| Sep 7, 2026Arrived | Chicago | Chattanooga | -24 | |
| Sep 6, 2026Arrived | Chicago | Chattanooga | -25 | |
| Sep 5, 2026Arrived | Chicago | Chattanooga | -20 | |
| Sep 4, 2026Arrived | Chicago | Chattanooga | 51 | |
| Aug 26, 2026Arrived | Chicago | Chattanooga | -20 |