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 ⇄ Liberia BWI–LIR

Airlines flew 106 flights between Baltimore/Washington International Thurgood Marshall BWI in Baltimore, MD and Liberia, Costa Rica LIR in Liberia, CR in the twelve months to July 2026, both directions together: 15,747 passengers in 17,974 seats, 88% of them filled. 2,042 miles, about 261 minutes in the air, on 1 airline: Southwest Airlines Co. (106).

106
flights, twelve months
BWI-LIR: 53 · LIR-BWI: 53
15,747
passengers
88% of seats filled
2,042
miles
about 261 minutes airborne
1
airline
3 aircraft types

Flights by month both directions

04914181/254/257/2512/253/266/26167/26
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
3/2616
4/2610
5/2610
6/2616
7/2616

Passengers by month

07181,4352,1522,8701/254/257/2512/253/266/262,6347/26
By month, as a table
passengers
1/251,252
2/251,329
3/252,870
4/251,552
5/251,413
6/252,389
7/252,341
8/25583
11/25867
12/25911
1/261,392
2/261,200
3/262,527
4/261,494
5/261,551
6/262,588
7/262,634

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN10615,74788%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 800541758,331
Boeing 737-800341755,370
Boeing 737-700/700LR/Max 7181432,046

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

53 flights of 53 scheduled, 7,693 passengers in 8,987 seats. Southwest Airlines Co. 53.

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

53 flights of 53 scheduled, 8,054 passengers in 8,987 seats. Southwest Airlines Co. 53.

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 Liberia, Costa Rica LIR; all routes.