Chicago (MDW) to San Luis Potosí (SLP)
Flight time
≈ 3h 54m
Bearing
214° SW
Chicago (MDW) to San Luis Potosí (SLP) is 1,550 miles (2,495 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MDW–SLP
Filed traffic dataIn July 2026, Volaris was the only carrier flying nonstop MDW–SLP; the Airbus A320neo was the most common aircraft at 94% of departures; flights ran 67% full.
Departures
34
July 2026
Seats
6,298
both directions
Passengers
4,203
both directions
Load factor
66.7%
RPM ÷ ASM
Who flies MDW–SLP?
Volaris was the only carrier to fly nonstop MDW–SLP in July 2026 (34 departures).
- Y4
Volaris
34 departures · 6,298 seats
Share of departures100.0%66.7%
Load
What plane flies MDW–SLP?
In July 2026, the Airbus A320neo flew 94% of MDW–SLP departures — more than any other aircraft type.
- Airbus A320neo
32 departures · 66.8% load
94.1% - Airbus A320
2 departures · 65.3% load
5.9%
How has MDW–SLP traffic changed?
Nonstop MDW–SLP departures held steady at about 34 a month between June 2026 and July 2026.
Monthly nonstop MDW–SLP traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2026
34 departures · 3,361 passengers
53.1%
Load
July 2026
34 departures · 4,203 passengers
66.7%
Load
By direction
Each direction is filed separately — they rarely match.
MDW → SLP
58.8% full
17 departures · 1,853 passengers
SLP → MDW
74.6% full
17 departures · 2,350 passengers
Nonstop MDW–SLP traffic has been filed since 2026.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2026. Public domain (US Government work).
The airports
San Luis Potosí
MX
Ponciano Arriaga International Airport
Coordinates
22.26°N, 100.94°W
Hemisphere
N · W
Frequently asked
How far is Chicago (MDW) from San Luis Potosí (SLP)?
MDW to SLP is 1,550 miles (2,495 km / 1,347 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MDW to SLP?
A nonstop covers the 1,550-mile great-circle distance in roughly 3h 54m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MDW–SLP?
In July 2026, the Airbus A320neo flew the largest share of departures (94.1%), followed by the Airbus A320 (5.9%).
What mileage do I earn flying MDW–SLP?
Distance-based programs credit off the 1,550-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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