Route Reliability
Houston → MGM
IAH–MGM · 554 miles · George Bush Intercontinental Airport to MGM Airport
86
Pretty Reliable
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0%
- Cancelled
- 110
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 78% of the time across 110 flights. No comparison to make.
What the data says
The 12–3 PM departure wins.
IAH–MGM flights departing between 12–3 PM arrived on time 86% of the time, versus 71% between 9 AM–12 PM.
Thursdays have been rough.
IAH–MGM flights arrived on time 100% of the time on Tuesdays and just 63% on Thursdays. That gap is worth planning around.
It basically never cancels.
Out of 110 scheduled flights, only 0.0% were cancelled.
Flights on this route
The breakdown
- Mon86%(14 flights)
- Tue100%(16 flights)
- Wed69%(16 flights)
- Thu63%(16 flights)
- Fri69%(16 flights)
- Sat88%(16 flights)
- Sun75%(16 flights)
- 9 AM–12 PM71%(55 flights)
- 12–3 PM86%(55 flights)
Keep nerding
Based on 110 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.