UA4678 United Airlines - Flight Status
Codeshare Flights
The flight AC3997 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA4678. Check this page for details about flight UA4678.
Below, you can find details about United Airlines flight UA4678, which currently operates between the airports of Boise - Boise Air Terminal (Airport Code BOI) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Tuesday, August 19, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4678
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4678
UA4678 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
UA4678 United Airlines from Boise
Scheduled - On-time
Flight Status for Tuesday August 19, 2025
Scheduled - On-time
Flight Status for Tuesday August 19, 2025
Airline information
United Airlines
Equipment: Canadair (Bombardier) Regional Jet 700 and Challenger 870
Departure
Boise (BOI)
August 19, 2025
Boise Air Terminal
Estimated Departure Time:
07:47 am
Terminal:
-
Gate:
B21
Scheduled Departure Time: 07:47 am
Arrival
San Francisco (SFO)
August 19, 2025
San Francisco International Airport
Estimated Arrival Time:
08:41 am
Terminal:
3
Gate:
-
Scheduled Arrival Time: 08:41 am
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:
- AC3997 - Air Canada
- NZ9393 - Air New Zealand
Additional Information
Which is the frequency of flight UA4678?
The flight UA4678 is scheduled to flight on Friday, Saturday on a weekly basis.
Which is the distance of flight UA4678?
The distance between the two airports is 523 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 Boise: 2025-08-18 06:36:58
Current Time in San Francisco: 2025-08-18 05:36:58
The flight UA4678 is scheduled to flight on Friday, Saturday on a weekly basis.
Which is the distance of flight UA4678?
The distance between the two airports is 523 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 Boise: 2025-08-18 06:36:58
Current Time in San Francisco: 2025-08-18 05:36:58
Alternative Flights
The following airlines serves the same route between Boise and San Francisco:
Alaska Airlines
- Flight Number: AS2062. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: AS3375. (On Time performance: 89 - Average Delay: 14 minutes)
United Airlines
- Flight Number: UA4733. (On Time performance: 80 - Average Delay: 10 minutes)
- Flight Number: UA4767. (On Time performance: 87 - Average Delay: 14 minutes)
- Flight Number: UA5312. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: UA567. (On Time performance: 60 - Average Delay: 29 minutes)
Alaska Airlines
- Flight Number: AS2062. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: AS3375. (On Time performance: 89 - Average Delay: 14 minutes)
United Airlines
- Flight Number: UA4733. (On Time performance: 80 - Average Delay: 10 minutes)
- Flight Number: UA4767. (On Time performance: 87 - Average Delay: 14 minutes)
- Flight Number: UA5312. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: UA567. (On Time performance: 60 - Average Delay: 29 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 Weekday: We have gathered available data from last six months, spanning from February 14, 2025 to March 29, 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.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from August 02, 2024 to March 29, 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.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from February 14, 2025 to March 29, 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.
Last Past Flights UA4678
No flights for UA4678 were scheduled in the past month. The last flight took place on Tuesday, August 19, 2025