UA4638 United Airlines - Flight Status
Codeshare Flights
The flight AV2034 from Avianca (AV) is a codeshare flight operated by United Airlines (UA) under the flight number UA4638. Check this page for details about flight UA4638.
Below, you can find details about United Airlines flight UA4638, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Fresno - Fresno Yosemite International Airport (Airport Code FAT).
This flight data pertains specifically to the flight's details for Thursday, January 08, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4638
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4638
UA4638 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
UA4638 United Airlines to Fresno
Scheduled - On-time
Flight Status for Thursday January 08, 2026
This flight was also scheduled for Yesterday (January 06, 2026). See it here
This flight is also scheduled for Today (January 07, 2026). See it here
Scheduled - On-time
Flight Status for Thursday January 08, 2026
Airline information
United Airlines
Equipment: Canadair (Bombardier) Regional Jet 200
Departure
San Francisco (SFO)
January 08, 2026
San Francisco International Airport
Estimated Departure Time:
08:45 pm
Terminal:
3
Gate:
-
Scheduled Departure Time: 08:45 pm
Arrival
Fresno (FAT)
January 08, 2026
Fresno Yosemite International Airport
Estimated Arrival Time:
09:51 pm
Terminal:
-
Gate:
-
Scheduled Arrival Time: 09:51 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.airport-sfo.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:
- AC3849 - Air Canada
- AV2034 - Avianca
- CM1450 - Copa Airlines
- LH8883 - Lufthansa
- NZ9217 - Air New Zealand
Additional Information
Which is the frequency of flight UA4638?
The flight UA4638 is currently not scheduled at San Francisco Airport (SFO).
Which is the distance of flight UA4638?
The distance between the two airports is 158 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA4638 is currently not scheduled at San Francisco Airport (SFO).
Which is the distance of flight UA4638?
The distance between the two airports is 158 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 San Francisco and Fresno:
United Airlines - Flight Number: UA5608. (On Time performance: 82 - Average Delay: 26 minutes)
United Airlines - Flight Number: UA5608. (On Time performance: 82 - Average Delay: 26 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 UA4638
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
06 January
06 January
08:34 pm
San Francisco (SFO)
San Francisco (SFO)
09:31 pm
Fresno (FAT)
Fresno (FAT)
00h 57min
Canadair (Bomb
Canadair (Bomb
Landed - On-time