Routes and flights · the DOT's airline reports, August 2025 to July 2026

Lubbock Preston Smith International ⇄ Washington Dulles International LBB–IAD

Airlines flew 4 flights between Lubbock Preston Smith International LBB in Lubbock, TX and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 593 passengers in 662 seats, 90% of them filled. 1,403 miles, about 171 minutes in the air, on 2 airlines: Allegiant Air (2), Southwest Airlines Co. (2). Planning to fly it yourself? The weather and winds along this route right now.

flights, twelve months

LBB-IAD: 2 · IAD-LBB: 2

593

passengers

90% of seats filled

1,403

miles

about 171 minutes airborne

airlines

2 aircraft types

Flights by month both directions

By month, as a table

	flights
10/25	2
4/26	2

Passengers by month

By month, as a table

	passengers
10/25	301
4/26	292

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
Allegiant Air G4	2	301	96%	charter passenger service
Southwest Airlines Co. WN	2	292	83%	charter passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
Airbus Industrie A319	2	156	301
Boeing B737 Max 800	2	175	292

LBB → IAD this direction alone · flown October 2025 to April 2026

2 flights, 296 passengers in 331 seats. Allegiant Air 1; Southwest Airlines Co. 1.

IAD → LBB this direction alone · flown October 2025 to April 2026

2 flights, 297 passengers in 331 seats. Allegiant Air 1; Southwest Airlines Co. 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: Lubbock Preston Smith International LBB and Washington Dulles International IAD; all routes.