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

Miami International ⇄ St. Louis Lambert International MIA–STL

Airlines flew 2,330 flights between Miami International MIA in Miami, FL and St. Louis Lambert International STL in St Louis, MO in the twelve months to July 2026, both directions together: 285,885 passengers in 359,398 seats, 80% of them filled, and 275,169 pounds of freight. 1,068 miles, about 148 minutes in the air, on 9 airlines: American Airlines Inc. (1,198), Southwest Airlines Co. (874), Envoy Air (238), Republic Airline (8) and 5 more. Planning to fly it yourself? The weather and winds along this route right now.

2,330
flights, twelve months
MIA-STL: 1,166 · STL-MIA: 1,164
285,885
passengers
80% of seats filled
1,068
miles
about 148 minutes airborne
9
airlines
10 aircraft types

Flights by month both directions

0661321992651/254/257/2510/251/264/261987/26
By month, as a table
flights
1/25183
2/25176
3/25208
4/25197
5/25204
6/25153
7/25148
8/25145
9/25137
10/25168
11/25211
12/25198
1/26217
2/26220
3/26265
4/26195
5/26179
6/26197
7/26198

Passengers by month

08,03716,07424,11232,1491/254/257/2510/251/264/2623,1187/26
By month, as a table
passengers
1/2521,735
2/2520,612
3/2525,260
4/2520,480
5/2524,240
6/2521,162
7/2520,830
8/2519,778
9/2517,611
10/2522,440
11/2523,450
12/2525,517
1/2626,677
2/2626,183
3/2632,149
4/2622,352
5/2622,102
6/2624,508
7/2623,118

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
American Airlines Inc. AA1,198152,96578%scheduled passenger service
Southwest Airlines Co. WN874116,53282%scheduled passenger service
Envoy Air MQ23815,61286%scheduled passenger service
Republic Airline YX854892%scheduled passenger service
Global Crossing Airlines, Inc. GCA700%charter passenger service
Spirit Air Lines NK212130%scheduled passenger service
Delta Air Lines Inc. DL110656%scheduled passenger service
Eastern Air Express, LLC (EAX) 37Q100%charter passenger service
CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF1111%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-800827173111,281
Boeing B737 Max 80041117457,632
Airbus Industrie A31932112832,394
Boeing 737-700/700LR/Max 729314035,074
Embraer ERJ-1752467616,160
Airbus Industrie A321Neoxlr19519028,969
Airbus Industrie A321-200n301944,340
Airbus Industrie A320-100/200516734
Boeing 737-30011440
Embraer-135191

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

1,166 flights of 1,170 scheduled, 142,032 passengers in 179,807 seats, 226,966 pounds of freight. American Airlines Inc. 599; Southwest Airlines Co. 437; Envoy Air 120; Global Crossing Airlines, Inc. 4; Republic Airline 4; Delta Air Lines Inc. 1; Spirit Air Lines 1.

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

1,164 flights of 1,169 scheduled, 143,853 passengers in 179,591 seats, 48,203 pounds of freight. American Airlines Inc. 599; Southwest Airlines Co. 437; Envoy Air 118; Republic Airline 4; Global Crossing Airlines, Inc. 3; Eastern Air Express, LLC (EAX) 1; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 1; Spirit Air Lines 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: Miami International MIA and St. Louis Lambert International STL; all routes.