Is UA4404 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Chicago)
3 min late
Official source · Updated
Departure
Chicago
ORD
Scheduled
Sep 18
Arrival
Sioux Falls
FSD
Actual
Sep 18
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)
18 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Knoxville
TYS
Scheduled
Sep 18
Arrival
Chicago
ORD
Estimated
Sep 18
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 3 min late
TYS → ORD
- 3 min late
ORD → FSD
- 125 min late
ORD → FSD
- 162 min late
TYS → ORD
- 7 min early
ORD → FSD
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 21
- Arrivals over 15 minutes late
- 9
- Observed cancellations
- 2
- Observed occurrences
- 24
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 20, 2026Arrived | Knoxville | Chicago | 3 | |
| Sep 19, 2026Cancelled | Knoxville | Chicago | Not available | Not available |
| Sep 18, 2026Arrived | Chicago | Sioux Falls | 3 | |
| Sep 17, 2026Arrived | Chicago | Sioux Falls | 125 | |
| Sep 17, 2026Arrived | Knoxville | Chicago | 162 | |
| Sep 16, 2026Arrived | Chicago | Sioux Falls | -7 | |
| Sep 16, 2026Cancelled | Knoxville | Chicago | Not available | Not available |
| Sep 15, 2026Arrived | Chicago | Sioux Falls | 162 | |
| Sep 15, 2026Arrived | Knoxville | Chicago | 93 | |
| Sep 14, 2026Arrived | Chicago | Sioux Falls | 84 | |
| Sep 14, 2026Arrived | Knoxville | Chicago | 15 | |
| Sep 13, 2026Arrived | Chicago | Sioux Falls | -12 | |
| Sep 13, 2026Arrived | Knoxville | Chicago | -18 | |
| Sep 12, 2026Arrived | Chicago | Sioux Falls | 19 | |
| Sep 12, 2026Arrived | Knoxville | Chicago | -16 | |
| Sep 11, 2026Arrived | Knoxville | Chicago | -10 | |
| Sep 10, 2026Arrived | Knoxville | Chicago | -8 | |
| Sep 9, 2026Arrived | Knoxville | Chicago | -33 | |
| Sep 8, 2026Arrived | Knoxville | Chicago | -21 | |
| Sep 7, 2026Arrived | Knoxville | Chicago | 25 | |
| Sep 6, 2026Arrived | Knoxville | Chicago | 14 | |
| Sep 5, 2026Arrived | Knoxville | Chicago | 24 | |
| Sep 4, 2026Arrived | Knoxville | Chicago | 143 |