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

Baltimore/Washington International Thurgood Marshall ⇄ San Jose BWI–SJO

Airlines flew 102 flights between Baltimore/Washington International Thurgood Marshall BWI in Baltimore, MD and San Jose, Costa Rica SJO in San Jose, CR in the twelve months to July 2026, both directions together: 15,942 passengers in 17,433 seats, 91% of them filled, and 5,225 pounds of freight. 2,062 miles, about 258 minutes in the air, on 2 airlines: Southwest Airlines Co. (101), Air Hamburg Luftverkehrsgesellschaft mbH (1).

102
flights, twelve months
BWI-SJO: 53 · SJO-BWI: 49
15,942
passengers
91% of seats filled
2,062
miles
about 258 minutes airborne
2
airlines
4 aircraft types

Flights by month both directions

04914181/254/257/2512/253/266/26157/26
By month, as a table
flights
1/258
2/258
3/2518
4/2510
5/2510
6/2516
7/2516
8/254
11/258
12/258
1/2610
2/268
3/2613
4/2611
5/269
6/2616
7/2615

Passengers by month

07491,4982,2482,9971/254/257/2512/253/266/262,5337/26
By month, as a table
passengers
1/251,288
2/251,309
3/252,997
4/251,557
5/251,570
6/252,477
7/252,588
8/25609
11/25975
12/251,073
1/261,662
2/261,289
3/262,065
4/261,612
5/261,446
6/262,678
7/262,533

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN10115,93691%scheduled passenger service
Air Hamburg Luftverkehrsgesellschaft mbH 36Q1643%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 8008517513,773
Boeing 737-700/700LR/Max 78143875
Boeing 737-80081751,288
Embraer Legacy 6501146

BWI → SJO this direction alone · flown January 2025 to July 2026

53 flights of 53 scheduled, 8,544 passengers in 9,147 seats. Southwest Airlines Co. 53.

SJO → BWI this direction alone · flown January 2025 to July 2026

49 flights of 50 scheduled, 7,398 passengers in 8,286 seats, 5,225 pounds of freight. Southwest Airlines Co. 48; Air Hamburg Luftverkehrsgesellschaft mbH 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: Baltimore/Washington International Thurgood Marshall BWI and San Jose, Costa Rica SJO; all routes.