Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

UA646 United Airlines - Flight Status

Codeshare Flights
The flight LH9384 from Lufthansa (LH) is a codeshare flight operated by United Airlines (UA) under the flight number UA646. Check this page for details about flight UA646.

Below, you can find details about United Airlines flight UA646, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and San Luis Obispo - San Luis Obispo County Regional Airport (Airport Code SBP).
This flight data pertains specifically to the flight's details for Sunday, February 22, 2026.

UA646 On Time performance:
100
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

UA646 United Airlines to San Luis Obispo

Landed - On-time
Flight Status for Sunday February 22, 2026
This flight is also scheduled for Today (February 23, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Airbus A320

Departure

San Francisco (SFO)
February 22, 2026
San Francisco International Airport
Departed at:
06:37 pm
Terminal:
2
Gate:
D16
Scheduled Departure Time: 06:47 pm

Arrival

San Luis Obispo (SBP)
February 22, 2026
San Luis Obispo County Regional Airport
Arrived at:
07:39 pm
Terminal:
-
Gate:
-
Scheduled Arrival Time: 07:55 pm
Baggage: 1
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:

- AV2103 - Avianca

- LH9384 - Lufthansa

Additional Information

Which is the frequency of flight UA646?
The flight UA646 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight UA646?
The distance between the two airports is 191 miles.

Which is the flight time of flight UA646?
The scheduled flight time gate to gate is: 01:08 hours.
The real flight time gate to gate on average is: 01:03 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 San Francisco and San Luis Obispo:
United Airlines - Flight Number: UA5380. (On Time performance: 78 - Average Delay: 51 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from February 12, 2026 to February 19, 2026, we have obtained these figures.
Total number of flights: 6
On Time: 6 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 3 minutes.
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 May 01, 2025 to May 21, 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 UA646

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
22 February
06:37 pm
San Francisco (SFO)
07:39 pm
San Luis Obispo (SBP)
01h 02min
Airbus A320
Airbus A320
Landed - On-time
Friday
20 February
07:06 pm
San Francisco (SFO)
08:24 pm
San Luis Obispo (SBP)
01h 18min
Airbus A320
Airbus A320
Landed - Delayed
Thursday
19 February
06:44 pm
San Francisco (SFO)
07:57 pm
San Luis Obispo (SBP)
01h 13min
Airbus A320
Airbus A320
Landed - On-time
Wednesday
18 February
06:43 pm
San Francisco (SFO)
07:44 pm
San Luis Obispo (SBP)
01h 01min
Airbus A320
Airbus A320
Landed - On-time
Monday
16 February
06:43 pm
San Francisco (SFO)
07:36 pm
San Luis Obispo (SBP)
00h 53min
Airbus A320
Airbus A320
Landed - On-time
Sunday
15 February
07:06 pm
San Francisco (SFO)
08:01 pm
San Luis Obispo (SBP)
00h 55min
Airbus A320
Airbus A320
Landed - On-time
Friday
13 February
06:48 pm
San Francisco (SFO)
07:55 pm
San Luis Obispo (SBP)
01h 07min
Airbus A320
Airbus A320
Landed - On-time
Thursday
12 February
06:35 pm
San Francisco (SFO)
07:42 pm
San Luis Obispo (SBP)
01h 07min
Airbus A320
Airbus A320
Landed - On-time