UA4538 United Airlines - Flight Status

Which is the frequency of flight UA4538?
The flight UA4538 is scheduled to flight on Monday, Tuesday, Thursday, Friday on a weekly basis.

Which is the distance of flight UA4538?
The distance between the two airports is 134 miles.

Which is the flight time of flight UA4538?
The scheduled flight time gate to gate is: 01:10 hours.
The real flight time gate to gate on average is: 01:17 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

The following airline serve the same route between Dulles and Philadelphia:
United Airlines - Flight Number: UA4440.

We have gathered data from recent months and present below an analysis of how timely the flights have been.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 31, 2025 to May 21, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from March 31, 2025 to May 21, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.