United Airlines
Is UA5539 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
31 min early
Official source · Updated
Departure
Louisville
SDF
Actual
Scheduled 17:46
Sep 14
Arrival
Chicago
ORD
Actual
Scheduled 14:26
Sep 14
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
SDFORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 31 min early
SDF → ORD
- 38 min early
SDF → ORD
- 4 min early
SDF → ORD
- 19 min early
SDF → ORD
- 23 min early
SDF → ORD
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 10
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 1
- Observed occurrences
- 22
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 14, 2026Arrived | Louisville | Chicago | -31 | |
| Sep 13, 2026Arrived | Louisville | Chicago | -38 | |
| Sep 12, 2026Arrived | Louisville | Chicago | -4 | |
| Sep 11, 2026Arrived | Louisville | Chicago | -19 | |
| Sep 10, 2026Arrived | Louisville | Chicago | -23 | |
| Sep 7, 2026Arrived | Chicago | Grand Rapids | -24 | |
| Sep 5, 2026Arrived | Chicago | Grand Rapids | -14 | |
| Sep 4, 2026Arrived | Chicago | Grand Rapids | 27 | |
| Aug 31, 2026Arrived | Chicago | Grand Rapids | -17 | |
| Aug 27, 2026Cancelled | Chicago | Not available | Not available | |
| Aug 25, 2026Arrived | Chicago | Grand Rapids | -31 |