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 July 2026, Southwest Airlines operated the most departures, one of 3 carriers flying nonstop MIA–STL; the Boeing 737-800 was the most common aircraft at 42% of departures; flights ran 83% full.
Departures
198
July 2026
Seats
27,769
both directions
Passengers
23,118
both directions
Load factor
83.3%
RPM ÷ ASM
Who flies MIA–STL?
Southwest Airlines operated the most nonstop MIA–STL departures in July 2026 (75), one of 3 carriers on the route.
- WN
75 departures · 12,365 seats
Share of departures37.9%76.1%
Load
- AA
64 departures · 10,920 seats
Share of departures32.3%89.3%
Load
- MQ
59 departures · 4,484 seats
Share of departures29.8%88.4%
Load
What plane flies MIA–STL?
In July 2026, the Boeing 737-800 flew 42% of MIA–STL departures — more than any other aircraft type.
- Boeing 737-800
83 departures · 85.6% load
41.9% - Embraer E175
59 departures · 88.4% load
29.8% - Boeing 737 MAX 8
34 departures · 70.9% load
17.2% - Boeing 737-700
20 departures · 90.2% load
10.1% - Airbus A319
2 departures · 76.2% load
1.0%
How has MIA–STL traffic changed?
Nonstop MIA–STL departures rose from 145 in August 2025 to 198 in July 2026.
Monthly nonstop MIA–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
197 departures · 24,508 passengers
82.9%
Load
July 2026
198 departures · 23,118 passengers
83.3%
Load
By direction
Each direction is filed separately — they rarely match.
MIA → STL
78.3% full
100 departures · 11,179 passengers
STL → MIA
88.5% full
98 departures · 11,939 passengers
Nonstop MIA–STL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 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 July 2026, the Boeing 737-800 flew the largest share of departures (41.9%), followed by the Embraer E175 (29.8%).
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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