Mission/McAllen/Edinburg (MFE) to Houston (IAH): On-Time Performance
Data through May 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 73%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 1.7
- last 12 months
- Duration
- 1h 20m
- scheduled
- Distance
- 316 mi
Best airline from MFE to IAH
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 87% | 12 min | 1.9% | 942 |
| SkyWest Airlines | 79% | 19 min | 1.2% | 512 |
Monthly on-time trend
Best time to fly from MFE to IAH
Aim for departures around 7 p.m. (97% on-time); avoid 6 p.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 88% | 21 min |
| Tuesday | 85% | 11 min |
| Wednesday | 81% | 17 min |
| Thursday | 83% | 14 min |
| Friday | 85% | 14 min |
| Saturday | 83% | 11 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 aircraft34%
- Airline operations37%
- National airspace system22%
- Weather7%
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 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from MFE to IAH?
- United Airlines has the best on-time record on this route at 87%, based on 942 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 6 p.m. have the worst (69%). 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?
- 1.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above 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 1,454 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.