UA4858 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA4858, which currently operates between the airports of Houston - Houston George Bush Intercontinental Airport (Airport Code IAH) and Knoxville - Knoxville McGhee Tyson Airport (Airport Code TYS).
This flight data pertains specifically to the flight's details for Sunday, August 17, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4858
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4858
UA4858 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
UA4858 United Airlines to Knoxville
We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.
We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.
Airline information
United Airlines
Departure
Houston (IAH)
August 17, 2025
Houston George Bush Intercontinental Airport
Arrival
Knoxville (TYS)
August 17, 2025
Knoxville McGhee Tyson Airport
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.airport-houston.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.
Additional Information
Which is the frequency of flight UA4858?
The flight UA4858 is currently not scheduled at Houston Airport (IAH).
Which is the distance of flight UA4858?
The distance between the two airports is 771 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Houston: 2025-11-13 05:05:05
Current Time in Knoxville: 2025-11-13 06:05:05
The flight UA4858 is currently not scheduled at Houston Airport (IAH).
Which is the distance of flight UA4858?
The distance between the two airports is 771 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Houston: 2025-11-13 05:05:05
Current Time in Knoxville: 2025-11-13 06:05:05
Alternative Flights
The following airline serve the same route between Houston and Knoxville:
United Airlines - Flight Number: UA4810. (On Time performance: 82 - Average Delay: 19 minutes)
United Airlines - Flight Number: UA4810. (On Time performance: 82 - Average Delay: 19 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: We have gathered available data from last twelve closed months, spanning from February 13, 2025 to August 17, 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.
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 February 13, 2025 to August 17, 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.
Last Past Flights UA4858
No flights for UA4858 were scheduled in the past month. The last flight took place on Sunday, August 17, 2025