UA4540 United Airlines - Flight Status
Codeshare Flights
The flight AC3634 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA4540. Check this page for details about flight UA4540.
Below, you can find details about United Airlines flight UA4540, which currently operates between the airports of Philadelphia - Philadelphia International Airport (Airport Code PHL) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Saturday, May 02, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4540
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4540
UA4540 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
UA4540 United Airlines to Dulles
En Route - On-time
Flight Status for Saturday May 02, 2026
En Route - On-time
Flight Status for Saturday May 02, 2026
Airline information
United Airlines
Equipment: Canadair (Bombardier) Regional Jet 550
Departure
Philadelphia (PHL)
May 02, 2026
Philadelphia International Airport
Departed at:
03:02 pm
Terminal:
D
Gate:
D7
Scheduled Departure Time: 03:10 pm
Arrival
Dulles (IAD)
May 02, 2026
Washington Dulles International Airport
Estimated Arrival Time:
04:06 pm
Terminal:
-
Gate:
A6C
Scheduled Arrival Time: 04:20 pm
Baggage: 6
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.philadelphia-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC3634 - Air Canada
- AV2241 - Avianca
Additional Information
Which is the frequency of flight UA4540?
The flight UA4540 is scheduled to flight on Thursday, Friday, Saturday on a weekly basis.
Which is the distance of flight UA4540?
The distance between the two airports is 134 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA4540 is scheduled to flight on Thursday, Friday, Saturday on a weekly basis.
Which is the distance of flight UA4540?
The distance between the two airports is 134 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airline serve the same route between Philadelphia and Dulles:
United Airlines - Flight Number: UA4363. (On Time performance: 80 - Average Delay: 9 minutes)
United Airlines - Flight Number: UA4363. (On Time performance: 80 - Average Delay: 9 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights UA4540
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
01 May
01 May
06:30 pm
Philadelphia (PHL)
Philadelphia (PHL)
07:40 pm
Dulles (IAD)
Dulles (IAD)
01h 10min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Thursday
30 April
30 April
03:00 pm
Philadelphia (PHL)
Philadelphia (PHL)
04:12 pm
Dulles (IAD)
Dulles (IAD)
01h 12min
Canadair (Bomb
Canadair (Bomb
Landed - On-time