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

St. Louis Lambert International ⇄ Boise Air Trml/Gowen Field STL–BOI

Airlines flew 6 flights between St. Louis Lambert International STL in St Louis, MO and Boise Air Trml/Gowen Field BOI in Boise, ID in the twelve months to July 2026, both directions together: 465 passengers in 677 seats, 69% of them filled, and 31,131 pounds of freight. 1,383 miles, about 199 minutes in the air, on 4 airlines: Alaska Airlines Inc. (2), SkyWest Airlines Inc. (2), United Parcel Service (1), Southwest Airlines Co. (1). Planning to fly it yourself? The weather and winds along this route right now.

6
flights, twelve months
STL-BOI: 3 · BOI-STL: 3
465
passengers
69% of seats filled
1,383
miles
about 199 minutes airborne
4
airlines
4 aircraft types

Flights by month both directions

0001118/251111/26117/26
By month, as a table
flights
8/251
10/251
12/251
1/261
3/261
7/261

Passengers by month

043861291721278/25172001/2601667/26
By month, as a table
passengers
8/25127
10/25172
12/250
1/260
3/260
7/26166

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Alaska Airlines Inc. AS229984%scheduled passenger service
SkyWest Airlines Inc. OO200%scheduled passenger service
United Parcel Service 5X10scheduled cargo service
Southwest Airlines Co. WN116695%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 9002178299
Embraer ERJ-1752730
Boeing 767-300/300ER100
Boeing B737 Max 8001175166

STL → BOI this direction alone · flown August 2025 to March 2026

3 flights of 1 scheduled, 299 passengers in 432 seats, 272 pounds of freight. Alaska Airlines Inc. 2; SkyWest Airlines Inc. 1.

BOI → STL this direction alone · flown December 2025 to July 2026

3 flights of 2 scheduled, 166 passengers in 245 seats, 30,859 pounds of freight. United Parcel Service 1; SkyWest Airlines Inc. 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: St. Louis Lambert International STL and Boise Air Trml/Gowen Field BOI; all routes.