The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

San Francisco International ⇄ Monterrey SFO–MTY

Airlines flew 764 flights between San Francisco International SFO in San Francisco, CA and Monterrey, Mexico MTY in Monterrey, MX in the twelve months to July 2026, both directions together: 42,567 passengers in 59,048 seats, 72% of them filled, and 2,379 pounds of freight. 1,539 miles, about 202 minutes in the air, on 3 airlines: SkyWest Airlines Inc. (745), United Air Lines Inc. (18), Aeromexico (1).

764
flights, twelve months
SFO-MTY: 383 · MTY-SFO: 381
42,567
passengers
72% of seats filled
1,539
miles
about 202 minutes airborne
3
airlines
4 aircraft types

Flights by month both directions

03162931241/254/257/2510/251/264/26627/26
By month, as a table
flights
1/25107
2/2596
3/25108
4/25100
5/25111
6/25118
7/25124
8/2599
9/2560
10/2562
11/2559
12/2562
1/2662
2/2656
3/2660
4/2660
5/2662
6/2660
7/2662

Passengers by month

01,8303,6595,4887,3181/254/257/2510/251/264/263,3337/26
By month, as a table
passengers
1/254,669
2/253,803
3/254,573
4/255,039
5/254,912
6/255,890
7/257,318
8/255,317
9/253,564
10/253,630
11/253,327
12/253,671
1/263,229
2/262,915
3/263,514
4/263,242
5/262,979
6/263,846
7/263,333

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO74540,70172%scheduled passenger service
United Air Lines Inc. UA181,70371%scheduled passenger service
Aeromexico AM116398%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1757457640,701
Airbus Industrie A319131261,255
Airbus Industrie A320-100/2005150448
Boeing B737 Max 8001166163

SFO → MTY this direction alone · flown January 2025 to July 2026

383 flights of 382 scheduled, 21,623 passengers in 29,648 seats, 2,379 pounds of freight. SkyWest Airlines Inc. 373; United Air Lines Inc. 9; Aeromexico 1.

MTY → SFO this direction alone · flown January 2025 to July 2026

381 flights of 381 scheduled, 20,944 passengers in 29,400 seats. SkyWest Airlines Inc. 372; United Air Lines Inc. 9.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: San Francisco International SFO and Monterrey, Mexico MTY; all routes.