Is UA3438 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
3 min early
Official source · Updated
Departure
Louisville
SDF
Actual
Scheduled 10:17
Sep 7
Arrival
Dulles
IAD
Actual
Scheduled 07:29
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
SDFIAD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min early
SDF → IAD
- 50 min early
LEX → ORD
- 191 min late
LEX → ORD
- 14 min early
SDF → IAD
- 14 min early
SDF → IAD
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 12
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 13
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 | Louisville | Dulles | -8 | |
| Sep 19, 2026Arrived | Lexington | Chicago | -50 | |
| Sep 19, 2026Arrived | Lexington | Chicago | 191 | |
| Sep 18, 2026Arrived | Louisville | Dulles | -14 | |
| Sep 17, 2026Arrived | Louisville | Dulles | -14 | |
| Sep 16, 2026Arrived | Louisville | Dulles | -13 | |
| Sep 14, 2026Arrived | Louisville | Dulles | -14 | |
| Sep 13, 2026Arrived | Louisville | Dulles | -17 | |
| Sep 12, 2026Arrived | Lexington | Chicago | -13 | |
| Sep 8, 2026Arrived | Lexington | Chicago | -14 | |
| Sep 7, 2026Arrived | Louisville | Dulles | -3 | |
| Sep 4, 2026Arrived | Louisville | Dulles | 0 |