Is UA4428 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
45 min early
Official source · Updated
Departure
Sioux Falls
FSD
Actual
Scheduled 20:06
Sep 7
Arrival
Chicago
ORD
Actual
Scheduled 17:05
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
FSDORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 28 min late
IAD → SCE
- 24 min early
IAD → SCE
- 9 min late
IAD → SCE
- 16 min early
IAD → SCE
- 9 min early
IAD → SCE
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 14
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 14
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 17, 2026Arrived | Dulles | State College | 28 | |
| Sep 16, 2026Arrived | Dulles | State College | -24 | |
| Sep 15, 2026Arrived | Dulles | State College | 9 | |
| Sep 14, 2026Arrived | Dulles | State College | -16 | |
| Sep 13, 2026Arrived | Dulles | State College | -9 | |
| Sep 12, 2026Arrived | Dulles | State College | 7 | |
| Sep 11, 2026Arrived | Dulles | State College | -6 | |
| Sep 9, 2026Arrived | Dulles | State College | -7 | |
| Sep 8, 2026Arrived | Dulles | State College | -20 | |
| Sep 7, 2026Arrived | Sioux Falls | Chicago | -45 | |
| Sep 6, 2026Arrived | Louisville | Chicago | 83 | |
| Sep 5, 2026Arrived | Sioux Falls | Chicago | -23 | |
| Sep 4, 2026Arrived | Sioux Falls | Chicago | 101 | |
| Sep 3, 2026Arrived | Sioux Falls | Chicago | 151 |