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

UA5873 United Airlines - Flight Status

Codeshare Flights
The flight CM2507 from Copa Airlines (CM) is a codeshare flight operated by United Airlines (UA) under the flight number UA5873. Check this page for details about flight UA5873.

Below, you can find details about United Airlines flight UA5873, which currently operates between the airports of Santa Ana - John Wayne Airport (Airport Code SNA) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Wednesday, January 21, 2026.

UA5873 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

UA5873 United Airlines from Santa Ana

Scheduled - On-time
Flight Status for Wednesday January 21, 2026
This flight was also scheduled for Yesterday (January 19, 2026). See it here
This flight is also scheduled for Today (January 20, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Canadair (Bombardier) Regional Jet 700 and Challenger 870

Departure

Santa Ana (SNA)
January 21, 2026
John Wayne Airport
Estimated Departure Time:
07:50 pm
Terminal:
-
Gate:
9
Scheduled Departure Time: 07:50 pm

Arrival

San Francisco (SFO)
January 21, 2026
San Francisco International Airport
Estimated Arrival Time:
09:40 pm
Terminal:
3
Gate:
F8
Scheduled Arrival Time: 09:40 pm
Baggage: 4
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:

- AC4247 - Air Canada

- CM2507 - Copa Airlines

- NZ9698 - Air New Zealand

- VA8588 - Virgin Australia

Additional Information

Which is the frequency of flight UA5873?
The flight UA5873 is scheduled to flight on daily basis.

Which is the distance of flight UA5873?
The distance between the two airports is 372 miles.

Which is the flight time of flight UA5873?
The scheduled flight time gate to gate is: 01:50 hours.
The real flight time gate to gate on average is: 01:34 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 airlines serves the same route between Santa Ana and San Francisco:

Alaska Airlines
- Flight Number: AS3216. (On Time performance: 89 - Average Delay: 9 minutes)
- Flight Number: AS3231. (On Time performance: 50 - Average Delay: 46 minutes)
- Flight Number: AS3248. (On Time performance: 73 - Average Delay: 28 minutes)
- Flight Number: AS3251. (On Time performance: 95 - Average Delay: 6 minutes)
- Flight Number: AS3320. (On Time performance: 55 - Average Delay: 52 minutes)
- Flight Number: AS3434. (On Time performance: 69 - Average Delay: 69 minutes)
- Flight Number: AS3440. (On Time performance: 67 - Average Delay: 43 minutes)
- Flight Number: AS3450. (On Time performance: 73 - Average Delay: 20 minutes)
- Flight Number: AS3486. (On Time performance: 75 - Average Delay: 19 minutes)
- Flight Number: AS3492. (On Time performance: 78 - Average Delay: 8 minutes)
- Flight Number: AS3494. (On Time performance: 61 - Average Delay: 24 minutes)

Frontier Airlines
- Flight Number: F93581. (On Time performance: 46 - Average Delay: 28 minutes)

United Airlines
- Flight Number: UA1746. (On Time performance: 26 - Average Delay: 75 minutes)
- Flight Number: UA301. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: UA336. (On Time performance: 88 - Average Delay: 9 minutes)
- Flight Number: UA5213. (On Time performance: 100 - Average Delay: 2 minutes)
- Flight Number: UA5496. (On Time performance: 63 - Average Delay: 45 minutes)
- Flight Number: UA5715. (On Time performance: 78 - Average Delay: 19 minutes)
- Flight Number: UA5805. (On Time performance: 71 - Average Delay: 29 minutes)
- Flight Number: UA773. (On Time performance: 42 - Average Delay: 110 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 January 06, 2026 to January 18, 2026, we have obtained these figures.
Total number of flights: 13
On Time: 13 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 0 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 January 02, 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 UA5873

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
19 January
07:42 pm
Santa Ana (SNA)
09:48 pm
San Francisco (SFO)
02h 06min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Sunday
18 January
07:42 pm
Santa Ana (SNA)
09:06 pm
San Francisco (SFO)
01h 24min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Saturday
17 January
07:39 pm
Santa Ana (SNA)
09:19 pm
San Francisco (SFO)
01h 40min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Friday
16 January
07:37 pm
Santa Ana (SNA)
09:10 pm
San Francisco (SFO)
01h 33min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
15 January
07:40 pm
Santa Ana (SNA)
08:59 pm
San Francisco (SFO)
01h 19min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Wednesday
14 January
07:38 pm
Santa Ana (SNA)
09:12 pm
San Francisco (SFO)
01h 34min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Tuesday
13 January
07:42 pm
Santa Ana (SNA)
09:21 pm
San Francisco (SFO)
01h 39min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
12 January
07:44 pm
Santa Ana (SNA)
09:13 pm
San Francisco (SFO)
01h 29min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Sunday
11 January
07:48 pm
Santa Ana (SNA)
09:43 pm
San Francisco (SFO)
01h 55min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Saturday
10 January
07:45 pm
Santa Ana (SNA)
09:26 pm
San Francisco (SFO)
01h 41min
Embraer 175 (E
Embraer 175 (E
Landed - On-time