United UA4939 Flight Status Tracker
UA4939 is a domestic flight operated by United. UA4939 is departing from Washington (IAD), United States and arriving at Louisville (SDF), United States. The flight distance is about 727.26 km or 451.90 miles and flight time is 1 hours 34 minutes. Get the latest status of UA4939 / UAL4939 here.
Update on March 1, 2026, 9:22 a.m.
Lastest Status
Departed On time
| IAD | SDF |
Distance: 727.26 km / 451.90 miles or 392.69 nautical miles.
Departure Washington Dulles Airport
Actual Departure: 05:58
Scheduled Departure: 06:00
Departure Terminal : N/A Gate None
Arrival Louisville International Airport
Estimate Arrival: 07:33
Scheduled Arrival: 07:33
Arrival Terminal : C Gate None
Flight UA4939 detail information
| Type | Domestic Flight |
| Route | Departure Washington (IAD), United States and arriving at Louisville (SDF), United States |
| Airlines | United (UA) |
| Aircraft | E45X |
| Flight Duration | 1 hours 34 minutes |
| Flight Distance | 727.26 km /451.90 miles |
| Operating Days | Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday |
Find more flight status
UA4939 Airports
| Departures |
|---|
| Airport: Washington Dulles Airport, United States |
| ICAO Code: IAD |
| IAD Current time: 06:07 01-Mar-2026 |
| Arrivals |
| Airport: Louisville International Airport, United States |
| ICAO Code: SDF |
| SDF Current time: 06:07 01-Mar-2026 |