Is UA3990 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
19 min early
Official source · Updated
Departure
Houston
IAH
Actual
Scheduled 10:05
Sep 16
Arrival
Louisville
SDF
Actual
Scheduled 16:59
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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IAHSDF
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 19 min early
IAH → SDF
- 17 min early
IAH → SDF
- 21 min early
IAH → SDF
- 7 min early
IAH → SDF
- 1 min late
IAH → SDF
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 16
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 11
- Observed occurrences
- 27
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, 2026Arrived | Houston | Louisville | -19 | |
| Sep 15, 2026Arrived | Houston | Louisville | -17 | |
| Sep 14, 2026Arrived | Houston | Louisville | -21 | |
| Sep 13, 2026Arrived | Houston | Louisville | -7 | |
| Sep 12, 2026Arrived | Houston | Louisville | 1 | |
| Sep 11, 2026Arrived | Houston | Louisville | -3 | |
| Sep 10, 2026Arrived | Houston | Louisville | 3 | |
| Sep 9, 2026Arrived | Houston | Louisville | -1 | |
| Sep 8, 2026Arrived | Houston | Louisville | -2 | |
| Sep 7, 2026Arrived | Houston | Louisville | -12 | |
| Sep 6, 2026Arrived | Houston | Louisville | -21 | |
| Sep 5, 2026Arrived | Houston | Louisville | -2 | |
| Sep 4, 2026Arrived | Houston | Louisville | -12 | |
| Sep 3, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Sep 2, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Sep 1, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Aug 31, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Aug 30, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Aug 29, 2026Arrived | Houston | Louisville | -13 | |
| Aug 28, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Aug 27, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Aug 26, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Aug 25, 2026Arrived | Houston | Louisville | -23 | |
| Aug 24, 2026Arrived | Houston | Louisville | -3 | |
| Aug 23, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Aug 22, 2026Cancelled | Houston | Louisville | Not available | Not available |
| Aug 21, 2026Cancelled | Houston | Louisville | Not available | Not available |