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 May 2026, SkyWest Airlines operated the most departures, one of 3 carriers flying nonstop IAH–SLP; the Embraer E175 was the most common aircraft at 68% of departures; flights ran 68% full.
Departures
150
May 2026
Seats
15,372
both directions
Passengers
10,512
both directions
Load factor
68.4%
RPM ÷ ASM
Who flies IAH–SLP?
SkyWest Airlines operated the most nonstop IAH–SLP departures in May 2026 (102), one of 3 carriers on the route.
- OO
102 departures · 7,752 seats
Share of departures68.0%78.3%
Load
- Y4
Volaris
26 departures · 4,768 seats
Share of departures17.3%55.2%
Load
- UA
22 departures · 2,852 seats
Share of departures14.7%63.4%
Load
What plane flies IAH–SLP?
In May 2026, the Embraer E175 flew 68% of IAH–SLP departures — more than any other aircraft type.
- Embraer E175
102 departures · 78.3% load
68.0% - Airbus A320neo
24 departures · 54.6% load
16.0% - Boeing 737-700
20 departures · 64.6% load
13.3% - Boeing 737-800
2 departures · 54.5% load
1.3% - Airbus A320
2 departures · 61.5% load
1.3%
How has IAH–SLP traffic changed?
Nonstop IAH–SLP departures rose from 117 in June 2025 to 150 in May 2026.
Monthly nonstop IAH–SLP traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
117 departures · 8,123 passengers
68.6%
Load
July 2025
148 departures · 13,068 passengers
76.8%
Load
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
By direction
Each direction is filed separately — they rarely match.
IAH → SLP
72.5% full
75 departures · 5,574 passengers
SLP → IAH
64.3% full
75 departures · 4,938 passengers
Nonstop IAH–SLP 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
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 May 2026, the Embraer E175 flew the largest share of departures (68.0%), followed by the Airbus A320neo (16.0%).
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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