Houston (IAH) to San Luis Potosí (SLP)
Flight time
≈ 2h 04m
Bearing
214° SW
Houston (IAH) to San Luis Potosí (SLP) is 636 miles (1,024 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–SLP
Filed traffic dataIn July 2026, SkyWest Airlines operated the most departures, one of 3 carriers flying nonstop IAH–SLP; the Embraer E175 was the most common aircraft at 41% of departures; flights ran 85% full.
Departures
150
July 2026
Seats
17,392
both directions
Passengers
14,738
both directions
Load factor
84.7%
RPM ÷ ASM
Who flies IAH–SLP?
SkyWest Airlines operated the most nonstop IAH–SLP departures in July 2026 (62), one of 3 carriers on the route.
- OO
62 departures · 4,712 seats
Share of departures41.3%87.5%
Load
- UA
62 departures · 7,892 seats
Share of departures41.3%90.1%
Load
- Y4
Volaris
26 departures · 4,788 seats
Share of departures17.3%73.1%
Load
What plane flies IAH–SLP?
In July 2026, the Embraer E175 flew 41% of IAH–SLP departures — more than any other aircraft type.
- Embraer E175
62 departures · 87.5% load
41.3% - Boeing 737-700
60 departures · 91.0% load
40.0% - Airbus A320neo
24 departures · 73.4% load
16.0% - Boeing 737-800
2 departures · 72.0% load
1.3% - Airbus A320
2 departures · 69.2% load
1.3%
How has IAH–SLP traffic changed?
Nonstop IAH–SLP departures held steady at about 150 a month between August 2025 and July 2026.
Monthly nonstop IAH–SLP traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
150 departures · 11,384 passengers
71.0%
Load
September 2025
146 departures · 8,728 passengers
63.2%
Load
October 2025
150 departures · 8,618 passengers
60.9%
Load
November 2025
146 departures · 9,110 passengers
65.6%
Load
December 2025
150 departures · 13,663 passengers
66.9%
Load
January 2026
132 departures · 9,089 passengers
65.8%
Load
February 2026
120 departures · 7,211 passengers
61.5%
Load
March 2026
132 departures · 9,057 passengers
70.8%
Load
April 2026
146 departures · 8,332 passengers
60.3%
Load
May 2026
150 departures · 10,512 passengers
68.4%
Load
June 2026
146 departures · 11,933 passengers
70.5%
Load
July 2026
150 departures · 14,738 passengers
84.7%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → SLP
85.3% full
75 departures · 7,415 passengers
SLP → IAH
84.2% full
75 departures · 7,323 passengers
Nonstop IAH–SLP 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
San Luis Potosí
MX
Ponciano Arriaga International Airport
Coordinates
22.26°N, 100.94°W
Hemisphere
N · W
Frequently asked
How far is Houston (IAH) from San Luis Potosí (SLP)?
IAH to SLP is 636 miles (1,024 km / 553 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to SLP?
A nonstop covers the 636-mile great-circle distance in roughly 2h 04m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–SLP?
In July 2026, the Embraer E175 flew the largest share of departures (41.3%), followed by the Boeing 737-700 (40.0%).
What mileage do I earn flying IAH–SLP?
Distance-based programs credit off the 636-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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