Best Time to Fly HOU to ELP: On-Time Stats by Hour & Airline
William P Hobby → El Paso International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.5% of Houston (HOU) to El Paso (ELP) flights arrived on time (1,045 scheduled flights). That is in line with the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (83% on time) and June the worst month (61%).
The cancellation rate was 0.3% (US average 1.8%).
HOU to ELP 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 |
|---|---|---|---|---|
| Southwest Airlines | 77.5% | 45 min | 0.3% | 1,045 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to ELP
On-time arrival % by scheduled departure hour (local time), 2,090 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 91.1% | 0.7% | 147 |
| 8am–9am | 93.3% | 0.0% | 417 |
| 9am–10am | 91.5% | 2.5% | 157 |
| 11am–12pm | Limited data | 1 | |
| 12pm–1pm | Limited data | 7 | |
| 1pm–2pm | 88.9% | 0.0% | 45 |
| 2pm–3pm | 66.5% | 0.0% | 282 |
| 3pm–4pm | 77.4% | 0.0% | 126 |
| 4pm–5pm | 85.7% | 0.0% | 112 |
| 5pm–6pm | 83.3% | 0.0% | 42 |
| 6pm–7pm | 56.7% | 3.2% | 31 |
| 7pm–8pm | Limited data | 1 | |
| 8pm–9pm | 84.2% | 0.5% | 205 |
| 9pm–10pm | 72.7% | 0.5% | 210 |
| 10pm–11pm | 67.5% | 0.7% | 307 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on HOU to ELP
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) | 86.4% | +3.7 pts | 0.0% | 44 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.8% | +0.1 pts | 0.0% | 93 |
| Summer peak (Jun 15 - Aug 15) | 68.7% | -14.0 pts | 0.6% | 359 |
| All other days | 82.7% | — | 0.5% | 1,594 |
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).