Mission/McAllen/Edinburg (MFE) to Houston (IAH): On-Time Performance
Data through July 2026
When you fly MFE to IAH matters as much as anything else about the booking: the route swung from 96% on-time in August 2024 to just 62% in May 2026. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 74%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 1.9
- last 12 months
- Duration
- 1h 20m
- scheduled
- Distance
- 316 mi
Best airline from MFE to IAH
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 86% | 13 min | 1.7% | 972 |
| SkyWest Airlines | 79% | 26 min | 1.1% | 564 |
Monthly on-time trend
Best time to fly from MFE to IAH
Aim for departures around 7 p.m. (97% on-time); avoid 5 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 87% | 20 min |
| Tuesday | 84% | 17 min |
| Wednesday | 83% | 16 min |
| Thursday | 83% | 23 min |
| Friday | 84% | 17 min |
| Saturday | 81% | 13 min |
| Sunday | 83% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations35%
- National airspace system22%
- Weather5%
Frequently asked questions
- How often are flights from MFE to IAH delayed?
- 16% of MFE–IAH 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 MFE to IAH?
- United Airlines has the best on-time record on this route at 86%, based on 972 flights. 2 airlines flew MFE–IAH frequently enough to compare in this period.
- What is the best time of day to fly from MFE to IAH?
- Departures around 7 p.m. have the best record (97% on-time), while departures around 5 p.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 MFE to IAH?
- The scheduled MFE–IAH flight time averages 1h 20m over 316 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are MFE to IAH flights cancelled?
- 1.5% 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 MFE to IAH?
- May 2026 was the roughest month in this dataset, with only 62% of arrivals on time. The best was August 2024 at 96%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 1,536 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.