UA4251 United Airlines - Flight Status
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Below, you can find details about United Airlines flight UA4251, which currently operates between the airports of Dulles - Washington Dulles International Airport (Airport Code IAD) and Knoxville - Knoxville McGhee Tyson Airport (Airport Code TYS).
This flight data pertains specifically to the flight's details for Thursday, January 30, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4251
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4251
UA4251 On Time performance:
53
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
UA4251 United Airlines to Knoxville
Scheduled - On-time
Flight Status for Thursday January 30, 2025
This flight was also scheduled for Yesterday (January 29, 2025). See it here
This flight is also scheduled for Tomorrow (January 31, 2025). See it here
Scheduled - On-time
Flight Status for Thursday January 30, 2025
Airline information
United Airlines
Operating as CommuteAir
Equipment: Embraer RJ135 / RJ140 / RJ145
Departure
Dulles (IAD)
January 30, 2025
Washington Dulles International Airport
Estimated Departure Time:
12:55 pm
Concourse:
A
Gate:
A5C
Scheduled Departure Time: 12:55 pm
Arrival
Knoxville (TYS)
January 30, 2025
Knoxville McGhee Tyson Airport
Estimated Arrival Time:
02:43 pm
Terminal:
A
Gate:
11
Scheduled Arrival Time: 02:43 pm
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.washington-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:
- AC4257 - Air Canada
Additional Information
Which is the frequency of flight UA4251?
The flight UA4251 is scheduled to flight on daily basis.
Which is the distance of flight UA4251?
The distance between the two airports is 420 miles.
Which is the flight time of flight UA4251?
The scheduled flight time gate to gate is: 01:48 hours.
The real flight time gate to gate on average is: 01:46 hours.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA4251 is scheduled to flight on daily basis.
Which is the distance of flight UA4251?
The distance between the two airports is 420 miles.
Which is the flight time of flight UA4251?
The scheduled flight time gate to gate is: 01:48 hours.
The real flight time gate to gate on average is: 01:46 hours.
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 Dulles and Knoxville:
United Airlines - Flight Number: UA4257. (On Time performance: 84 - Average Delay: 11 minutes)
United Airlines - Flight Number: UA4257. (On Time performance: 84 - Average Delay: 11 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
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: We have gathered available data from last twelve closed months, spanning from January 02, 2024 to June 26, 2024. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from January 07, 2025 to January 25, 2025, we have obtained these figures.
Total number of flights: 19
On Time: 10 ( 53 % )
Moderate Delay: 1 ( 5 % )
Significant Delay: 3 ( 16 % )
Major Delay: 3 ( 16 % )
Canceled: 1 ( 5 % )
Diverted: 1 ( 5 % )
Average Delay: 39 minutes.
Total number of flights: 19
On Time: 10 ( 53 % )
Moderate Delay: 1 ( 5 % )
Significant Delay: 3 ( 16 % )
Major Delay: 3 ( 16 % )
Canceled: 1 ( 5 % )
Diverted: 1 ( 5 % )
Average Delay: 39 minutes.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from January 02, 2024 to June 26, 2024. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Last Past Flights UA4251
Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
29 January
29 January
12:51 pm
Dulles (IAD)
Dulles (IAD)
02:41 pm
Knoxville (TYS)
Knoxville (TYS)
01h 50min
Embraer RJ145
Embraer RJ145
Landed - On-time
Tuesday
28 January
28 January
01:22 pm
Dulles (IAD)
Dulles (IAD)
02:49 pm
Knoxville (TYS)
Knoxville (TYS)
01h 27min
Embraer RJ145
Embraer RJ145
Landed - On-time
Monday
27 January
27 January
12:50 pm
Dulles (IAD)
Dulles (IAD)
02:32 pm
Knoxville (TYS)
Knoxville (TYS)
01h 42min
Embraer RJ145
Embraer RJ145
Landed - On-time
Sunday
26 January
26 January
01:16 pm
Dulles (IAD)
Dulles (IAD)
02:44 pm
Knoxville (TYS)
Knoxville (TYS)
01h 28min
Embraer RJ145
Embraer RJ145
Landed - On-time
Saturday
25 January
25 January
12:43 pm
Dulles (IAD)
Dulles (IAD)
02:22 pm
Knoxville (TYS)
Knoxville (TYS)
01h 39min
Embraer RJ145
Embraer RJ145
Landed - On-time
Friday
24 January
24 January
12:55 pm
Dulles (IAD)
Dulles (IAD)
02:53 pm
Knoxville (TYS)
Knoxville (TYS)
01h 58min
Embraer RJ145
Embraer RJ145
Landed - On-time
Thursday
23 January
23 January
12:48 pm
Dulles (IAD)
Dulles (IAD)
02:37 pm
Knoxville (TYS)
Knoxville (TYS)
01h 49min
Embraer RJ145
Embraer RJ145
Landed - On-time
Wednesday
22 January
22 January
12:48 pm
Dulles (IAD)
Dulles (IAD)
02:34 pm
Knoxville (TYS)
Knoxville (TYS)
01h 46min
Embraer RJ145
Embraer RJ145
Landed - On-time
Tuesday
21 January
21 January
12:49 pm
Dulles (IAD)
Dulles (IAD)
03:04 pm
Knoxville (TYS)
Knoxville (TYS)
02h 15min
Embraer RJ145
Embraer RJ145
Landed - Delayed
Monday
20 January
20 January
02:07 pm
Dulles (IAD)
Dulles (IAD)
04:02 pm
Knoxville (TYS)
Knoxville (TYS)
01h 55min
Embraer RJ145
Embraer RJ145
Landed - Delayed