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

Salt Lake City International ⇄ St. Louis Lambert International SLC–STL

Airlines flew 1,969 flights between Salt Lake City International SLC in Salt Lake City, UT and St. Louis Lambert International STL in St Louis, MO in the twelve months to July 2026, both directions together: 185,647 passengers in 239,834 seats, 77% of them filled, and 115,146 pounds of freight. 1,156 miles, about 139 minutes in the air, on 6 airlines: Delta Air Lines Inc. (1,939), Southwest Airlines Co. (20), SkyWest Airlines Inc. (4), Sun Country Airlines d/b/a MN Airlines (3) and 2 more. Planning to fly it yourself? The weather and winds along this route right now.

1,969
flights, twelve months
SLC-STL: 987 · STL-SLC: 982
185,647
passengers
77% of seats filled
1,156
miles
about 139 minutes airborne
6
airlines
11 aircraft types

Flights by month both directions

047941401871/254/257/2510/251/264/261857/26
By month, as a table
flights
1/25128
2/25130
3/25158
4/25152
5/25172
6/25180
7/25187
8/25175
9/25163
10/25178
11/25166
12/25156
1/26121
2/26130
3/26172
4/26173
5/26172
6/26178
7/26185

Passengers by month

04,8669,73314,60019,4661/254/257/2510/251/264/2617,8847/26
By month, as a table
passengers
1/2511,356
2/2511,524
3/2517,228
4/2515,444
5/2518,492
6/2519,022
7/2519,466
8/2516,362
9/2515,088
10/2514,935
11/2512,993
12/2514,142
1/2611,701
2/2611,054
3/2616,795
4/2617,336
5/2619,109
6/2618,248
7/2617,884

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Delta Air Lines Inc. DL1,939182,03677%charter passenger service, scheduled passenger service
Southwest Airlines Co. WN203,11291%scheduled passenger service
SkyWest Airlines Inc. OO427390%scheduled passenger service
Sun Country Airlines d/b/a MN Airlines SY318333%charter passenger service
Global Crossing Airlines, Inc. GCA24313%charter passenger service
Federal Express Corporation FX10scheduled cargo service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
A200-100 BD-500-1A101,03110989,684
Airbus Industrie A31962813263,578
A220-300 BD-500-1A1115213014,586
Airbus Industrie A320-100/2009515710,194
Boeing 737-800371644,360
Boeing B737 Max 800131752,132
Boeing 737-900ER5180580
Embraer ERJ-175476273
Boeing 737-700/700LR/Max 72137205
Boeing 757-20017255
Boeing 767-300/300ER100

SLC → STL this direction alone · flown January 2025 to July 2026

987 flights of 991 scheduled, 93,235 passengers in 120,193 seats, 108,787 pounds of freight, 9,966 pounds of mail. Delta Air Lines Inc. 971; Southwest Airlines Co. 10; SkyWest Airlines Inc. 2; Sun Country Airlines d/b/a MN Airlines 2; Federal Express Corporation 1; Global Crossing Airlines, Inc. 1.

STL → SLC this direction alone · flown January 2025 to July 2026

982 flights of 990 scheduled, 92,412 passengers in 119,641 seats, 6,359 pounds of freight. Delta Air Lines Inc. 968; Southwest Airlines Co. 10; SkyWest Airlines Inc. 2; Global Crossing Airlines, Inc. 1; Sun Country Airlines d/b/a MN Airlines 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: Salt Lake City International SLC and St. Louis Lambert International STL; all routes.