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

UA424 United Airlines - Flight Status

Codeshare Flights
The flight CM2874 from Copa Airlines (CM) is a codeshare flight operated by United Airlines (UA) under the flight number UA424. Check this page for details about flight UA424.

Below, you can find details about United Airlines flight UA424, which currently operates between the airports of Miami - Miami International Airport (Airport Code MIA) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Monday, January 19, 2026.

UA424 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

UA424 United Airlines from Miami

Landed - On-time
Flight Status for Monday January 19, 2026
This flight is also scheduled for Today (January 20, 2026). See it here
This flight is also scheduled for Tomorrow (January 21, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737MAX 8 Passenger

Departure

Miami (MIA)
January 19, 2026
Miami International Airport
Departed at:
06:10 am
Terminal:
S
Gate:
J11
Scheduled Departure Time: 06:05 am

Arrival

San Francisco (SFO)
January 19, 2026
San Francisco International Airport
Arrived at:
09:38 am
Terminal:
3
Gate:
E12
Scheduled Arrival Time: 09:43 am
Baggage: 8
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:

- AZ4372 - ITA Airways

- CM2874 - Copa Airlines

- VA8395 - Virgin Australia

Additional Information

Which is the frequency of flight UA424?
The flight UA424 is scheduled to flight on daily basis.

Which is the distance of flight UA424?
The distance between the two airports is 2583 miles.

Which is the flight time of flight UA424?
The scheduled flight time gate to gate is: 06:38 hours.
The real flight time gate to gate on average is: 06:20 hours.

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 Miami: 2026-01-20 21:18:36
Current Time in San Francisco: 2026-01-20 18:18:36

Alternative Flights

The following airlines serves the same route between Miami and San Francisco:

American Airlines
- Flight Number: AA1557. (On Time performance: 94 - Average Delay: 3 minutes)
- Flight Number: AA2933. (On Time performance: 77 - Average Delay: 14 minutes)
- Flight Number: AA3076. (On Time performance: 77 - Average Delay: 15 minutes)
- Flight Number: AA3117. (On Time performance: 83 - Average Delay: 63 minutes)
- Flight Number: AA3142. (On Time performance: 44 - Average Delay: 41 minutes)

United Airlines
- Flight Number: UA1498. (On Time performance: 74 - Average Delay: 22 minutes)
- Flight Number: UA2423. (On Time performance: 66 - Average Delay: 38 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: 1 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 UA424

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
19 January
06:10 am
Miami (MIA)
09:38 am
San Francisco (SFO)
06h 28min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
18 January
05:56 am
Miami (MIA)
09:13 am
San Francisco (SFO)
06h 17min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
17 January
05:54 am
Miami (MIA)
09:37 am
San Francisco (SFO)
06h 43min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
16 January
05:51 am
Miami (MIA)
09:22 am
San Francisco (SFO)
06h 31min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
15 January
06:23 am
Miami (MIA)
09:30 am
San Francisco (SFO)
06h 07min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
14 January
05:57 am
Miami (MIA)
09:12 am
San Francisco (SFO)
06h 15min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
13 January
06:04 am
Miami (MIA)
09:25 am
San Francisco (SFO)
06h 21min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
12 January
06:04 am
Miami (MIA)
09:06 am
San Francisco (SFO)
06h 02min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
11 January
06:05 am
Miami (MIA)
09:02 am
San Francisco (SFO)
05h 57min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
10 January
05:56 am
Miami (MIA)
08:58 am
San Francisco (SFO)
06h 02min
Boeing 737MAX
Boeing 737MAX
Landed - On-time