Miami (MIA) to St Louis (STL)
Flight time
≈ 2h 56m
Bearing
329° NW
Miami (MIA) to St Louis (STL) is 1,070 miles (1,721 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MIA–STL
Filed traffic dataIn May 2026, American Airlines operated the most departures, one of 3 carriers flying nonstop MIA–STL; the Boeing 737-800 was the most common aircraft at 34% of departures; flights ran 78% full.
Departures
179
May 2026
Seats
28,250
both directions
Passengers
22,102
both directions
Load factor
78.2%
RPM ÷ ASM
Who flies MIA–STL?
American Airlines operated the most nonstop MIA–STL departures in May 2026 (95), one of 3 carriers on the route.
- AA
95 departures · 17,058 seats
Share of departures53.1%75.1%
Load
- WN
62 departures · 9,520 seats
Share of departures34.6%82.5%
Load
- MQ
22 departures · 1,672 seats
Share of departures12.3%85.3%
Load
What plane flies MIA–STL?
In May 2026, the Boeing 737-800 flew 34% of MIA–STL departures — more than any other aircraft type.
- Boeing 737-800
60 departures · 73.6% load
33.5% - Boeing 737-700
35 departures · 80.8% load
19.6% - Airbus A321
30 departures · 77.7% load
16.8% - Embraer E175
22 departures · 85.3% load
12.3% - Boeing 737 MAX 8
20 departures · 86.5% load
11.2% - Airbus A321neo
11 departures · 76.4% load
6.2% - Airbus A319
1 departures · 94.5% load
0.6%
How has MIA–STL traffic changed?
Nonstop MIA–STL departures rose from 153 in June 2025 to 179 in May 2026.
Monthly nonstop MIA–STL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
153 departures · 21,162 passengers
87.0%
Load
July 2025
148 departures · 20,830 passengers
87.5%
Load
August 2025
145 departures · 19,778 passengers
83.5%
Load
September 2025
137 departures · 17,611 passengers
77.8%
Load
October 2025
168 departures · 22,440 passengers
83.1%
Load
November 2025
211 departures · 23,450 passengers
84.0%
Load
December 2025
198 departures · 25,517 passengers
83.2%
Load
January 2026
217 departures · 26,677 passengers
82.1%
Load
February 2026
220 departures · 26,183 passengers
76.8%
Load
March 2026
265 departures · 32,149 passengers
75.5%
Load
April 2026
195 departures · 22,352 passengers
68.3%
Load
May 2026
179 departures · 22,102 passengers
78.2%
Load
By direction
Each direction is filed separately — they rarely match.
STL → MIA
79.5% full
90 departures · 11,420 passengers
MIA → STL
77.0% full
89 departures · 10,682 passengers
Nonstop MIA–STL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Miami (MIA) from St Louis (STL)?
MIA to STL is 1,070 miles (1,721 km / 930 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MIA to STL?
A nonstop covers the 1,070-mile great-circle distance in roughly 2h 56m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MIA–STL?
In May 2026, the Boeing 737-800 flew the largest share of departures (33.5%), followed by the Boeing 737-700 (19.6%).
What mileage do I earn flying MIA–STL?
Distance-based programs credit off the 1,070-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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