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

San Diego International ⇄ Pittsburgh International SAN–PIT

Airlines flew 146 flights between San Diego International SAN in San Diego, CA and Pittsburgh International PIT in Pittsburgh, PA in the twelve months to July 2026, both directions together: 18,521 passengers in 21,794 seats, 85% of them filled, and 2,949 pounds of freight. 2,106 miles, about 256 minutes in the air, on 5 airlines: Southwest Airlines Co. (71), Breeze Aviation Group DBA Breeze (70), Alaska Airlines Inc. (2), Delta Air Lines Inc. (2) and 1 more. Planning to fly it yourself? The weather and winds along this route right now.

146
flights, twelve months
SAN-PIT: 75 · PIT-SAN: 71
18,521
passengers
85% of seats filled
2,106
miles
about 256 minutes airborne
5
airlines
7 aircraft types

Flights by month both directions

0142841551/255/258/254/26557/26
By month, as a table
flights
1/251
3/251
4/251
5/2518
6/2528
7/2526
8/2520
9/252
3/262
4/262
5/2614
6/2651
7/2655

Passengers by month

01,7453,4905,2346,9791/255/258/254/266,9797/26
By month, as a table
passengers
1/25170
3/25127
4/2570
5/251,951
6/253,244
7/252,966
8/252,402
9/25240
3/26308
4/26211
5/261,706
6/266,675
7/266,979

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN719,36882%scheduled passenger service
Breeze Aviation Group DBA Breeze MX708,45488%scheduled passenger service
Alaska Airlines Inc. AS231293%scheduled passenger service
Delta Air Lines Inc. DL221480%scheduled passenger service
American Airlines Inc. AA117388%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
A220-300 BD-500-1A11701378,454
Boeing B737 Max 800291753,898
Boeing 737-700/700LR/Max 7271373,399
Boeing 737-800161742,211
Airbus Industrie A321-200n2195316
Boeing B737 Max 9001178172
Boeing 757-20017271

SAN → PIT this direction alone · flown January 2025 to July 2026

75 flights of 71 scheduled, 9,503 passengers in 11,790 seats, 1,040 pounds of freight. Southwest Airlines Co. 36; Breeze Aviation Group DBA Breeze 35; Alaska Airlines Inc. 2; American Airlines Inc. 1; Delta Air Lines Inc. 1.

PIT → SAN this direction alone · flown March 2025 to July 2026

71 flights of 70 scheduled, 9,018 passengers in 10,004 seats, 1,909 pounds of freight. Breeze Aviation Group DBA Breeze 35; Southwest Airlines Co. 35; Delta Air Lines Inc. 1.

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 Diego International SAN and Pittsburgh International PIT; all routes.