UA343 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA343, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Friday, September 26, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA343
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA343
UA343 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
UA343 United Airlines from San Francisco
Scheduled - On-time
Flight Status for Friday September 26, 2025
This flight was also scheduled for Yesterday (September 25, 2025). See it here
This flight is also scheduled for Tomorrow (September 27, 2025). See it here
Scheduled - On-time
Flight Status for Friday September 26, 2025
Airline information
United Airlines
Equipment: Airbus A320
Departure
San Francisco (SFO)
September 26, 2025
San Francisco International Airport
Estimated Departure Time:
04:30 pm
Terminal:
2
Gate:
D10
Scheduled Departure Time: 04:30 pm
Arrival
Seattle (SEA)
September 26, 2025
Seattle-Tacoma International Airport
Estimated Arrival Time:
06:45 pm
Gate:
A5
Scheduled Arrival Time: 06:45 pm
Baggage: 9
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.seattle-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:
- AZ4506 - ITA Airways
- EK6385 - Emirates
- NZ9406 - Air New Zealand
- OZ6401 - Asiana Airlines
- VA8282 - Virgin Australia
Additional Information
Which is the frequency of flight UA343?
The flight UA343 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight UA343?
The distance between the two airports is 679 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA343 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight UA343?
The distance between the two airports is 679 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 airlines serves the same route between San Francisco and Seattle:
Alaska Airlines
- Flight Number: AS1043. (On Time performance: 78 - Average Delay: 9 minutes)
- Flight Number: AS1065. (On Time performance: 63 - Average Delay: 24 minutes)
- Flight Number: AS1075. (On Time performance: 68 - Average Delay: 24 minutes)
- Flight Number: AS1169. (On Time performance: 43 - Average Delay: 28 minutes)
- Flight Number: AS1225. (On Time performance: 56 - Average Delay: 18 minutes)
- Flight Number: AS1327. (On Time performance: 41 - Average Delay: 40 minutes)
- Flight Number: AS592. (On Time performance: 80 - Average Delay: 17 minutes)
- Flight Number: AS626. (On Time performance: 80 - Average Delay: 11 minutes)
- Flight Number: AS922. (On Time performance: 73 - Average Delay: 14 minutes)
- Flight Number: AS981. (On Time performance: 82 - Average Delay: 9 minutes)
Delta Air Lines
- Flight Number: DL1412. (On Time performance: 75 - Average Delay: 27 minutes)
- Flight Number: DL2721. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: DL3636. (On Time performance: 86 - Average Delay: 9 minutes)
- Flight Number: DL3707. (On Time performance: 78 - Average Delay: 9 minutes)
- Flight Number: DL3991. (On Time performance: 89 - Average Delay: 5 minutes)
United Airlines
- Flight Number: UA1417. (On Time performance: 89 - Average Delay: 4 minutes)
- Flight Number: UA1603. (On Time performance: 67 - Average Delay: 9 minutes)
- Flight Number: UA1896. (On Time performance: 67 - Average Delay: 7 minutes)
- Flight Number: UA2019. (On Time performance: 63 - Average Delay: 24 minutes)
- Flight Number: UA2041. (On Time performance: 92 - Average Delay: 3 minutes)
- Flight Number: UA2339. (On Time performance: 81 - Average Delay: 7 minutes)
- Flight Number: UA433. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: UA5846. (On Time performance: 95 - Average Delay: 3 minutes)
Alaska Airlines
- Flight Number: AS1043. (On Time performance: 78 - Average Delay: 9 minutes)
- Flight Number: AS1065. (On Time performance: 63 - Average Delay: 24 minutes)
- Flight Number: AS1075. (On Time performance: 68 - Average Delay: 24 minutes)
- Flight Number: AS1169. (On Time performance: 43 - Average Delay: 28 minutes)
- Flight Number: AS1225. (On Time performance: 56 - Average Delay: 18 minutes)
- Flight Number: AS1327. (On Time performance: 41 - Average Delay: 40 minutes)
- Flight Number: AS592. (On Time performance: 80 - Average Delay: 17 minutes)
- Flight Number: AS626. (On Time performance: 80 - Average Delay: 11 minutes)
- Flight Number: AS922. (On Time performance: 73 - Average Delay: 14 minutes)
- Flight Number: AS981. (On Time performance: 82 - Average Delay: 9 minutes)
Delta Air Lines
- Flight Number: DL1412. (On Time performance: 75 - Average Delay: 27 minutes)
- Flight Number: DL2721. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: DL3636. (On Time performance: 86 - Average Delay: 9 minutes)
- Flight Number: DL3707. (On Time performance: 78 - Average Delay: 9 minutes)
- Flight Number: DL3991. (On Time performance: 89 - Average Delay: 5 minutes)
United Airlines
- Flight Number: UA1417. (On Time performance: 89 - Average Delay: 4 minutes)
- Flight Number: UA1603. (On Time performance: 67 - Average Delay: 9 minutes)
- Flight Number: UA1896. (On Time performance: 67 - Average Delay: 7 minutes)
- Flight Number: UA2019. (On Time performance: 63 - Average Delay: 24 minutes)
- Flight Number: UA2041. (On Time performance: 92 - Average Delay: 3 minutes)
- Flight Number: UA2339. (On Time performance: 81 - Average Delay: 7 minutes)
- Flight Number: UA433. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: UA5846. (On Time performance: 95 - Average Delay: 3 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 May 22, 2025 to June 25, 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 May 22, 2025 to June 25, 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 May 22, 2025 to June 25, 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 UA343
Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
25 September
25 September
04:34 pm
San Francisco (SFO)
San Francisco (SFO)
06:49 pm
Seattle (SEA)
Seattle (SEA)
02h 15min
Airbus A320
Airbus A320
Landed - On-time