Best Time to Fly IAH to MFE: On-Time Stats by Hour & Airline
George Bush Intercontinental/Houston → McAllen International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.9% of Houston (IAH) to Mission/McAllen/Edinburg (MFE) flights arrived on time (689 scheduled flights). That is in line with the national average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 80.0%, while SkyWest Airlines trailed at 74.6%.
January has been the best month (91% on time) and Sunday the weakest day of the week (77%).
0.7% of flights were cancelled, versus 1.8% nationally.
IAH to MFE on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 80.0% | 58 min | 0.5% | 409 |
| SkyWest Airlines | 74.6% | 104 min | 1.1% | 280 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IAH to MFE
On-time arrival % by scheduled departure hour (local time), 1,484 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 90.1% | 1.4% | 72 |
| 9am–10am | 70.0% | 0.0% | 60 |
| 10am–11am | Limited data | 28 | |
| 11am–12pm | 93.6% | 2.1% | 48 |
| 12pm–1pm | 79.0% | 0.0% | 57 |
| 2pm–3pm | 81.7% | 1.2% | 160 |
| 3pm–4pm | Limited data | 3 | |
| 4pm–5pm | 77.5% | 2.0% | 151 |
| 6pm–7pm | 78.8% | 0.0% | 85 |
| 7pm–8pm | 89.7% | 0.8% | 118 |
| 8pm–9pm | 76.9% | 1.3% | 378 |
| 9pm–10pm | 77.4% | 0.9% | 108 |
| 10pm–11pm | 84.1% | 0.9% | 216 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IAH to MFE
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 75.0% | -7.5 pts | 0.0% | 36 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.6% | -12.9 pts | 4.2% | 48 |
| Summer peak (Jun 15 - Aug 15) | 69.9% | -12.5 pts | 0.6% | 174 |
| All other days | 82.5% | — | 1.1% | 1,226 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).