Houston (IAH) to Mission/McAllen/Edinburg (MFE): On-Time Performance
Data through July 2026
The calendar drives reliability on IAH–MFE. November 2024 flights landed on schedule 94% of the time, but July 2024 dropped to 46% — a gap of 48 points. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 1.9
- last 12 months
- Duration
- 1h 24m
- scheduled
- Distance
- 316 mi
Best airline from IAH to MFE
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 80% | 21 min | 1.1% | 564 |
| United Airlines | 79% | 16 min | 1.5% | 971 |
Monthly on-time trend
Best time to fly from IAH to MFE
Aim for departures around 11 a.m. (94% on-time); avoid 9 a.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 17 min |
| Tuesday | 81% | 18 min |
| Wednesday | 81% | 15 min |
| Thursdaybest | 83% | 18 min |
| Friday | 78% | 15 min |
| Saturday | 78% | 19 min |
| Sunday | 75% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations47%
- National airspace system8%
- Weather5%
Frequently asked questions
- How often are flights from IAH to MFE delayed?
- 21% of IAH–MFE flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- Which airline is most reliable from IAH to MFE?
- SkyWest Airlines has the best on-time record on this route at 80%, based on 564 flights. 2 airlines flew IAH–MFE frequently enough to compare in this period.
- What is the best time of day to fly from IAH to MFE?
- Departures around 11 a.m. have the best record (94% on-time), while departures around 9 a.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to MFE?
- The scheduled IAH–MFE flight time averages 1h 24m over 316 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are IAH to MFE flights cancelled?
- 1.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from IAH to MFE?
- July 2024 was the roughest month in this dataset, with only 46% of arrivals on time. The best was November 2024 at 94%. If your dates are flexible, that 48-point gap is worth planning around.
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Based on 1,535 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.