Best Time to Fly MSY to HOU: On-Time Stats by Hour & Airline
Louis Armstrong New Orleans International → William P Hobby
Data through July 2026 · Last updated October 18, 2026
2,297 flights were scheduled from New Orleans (MSY) to Houston (HOU) in the last 12 months, and 76.2% of those that flew arrived on time, 1.5 points below the US 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 (85% on time) and June the worst month (66%).
The cancellation rate was 0.6% (US average 1.8%).
MSY to HOU 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 | 76.2% | 50 min | 0.6% | 2,297 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSY to HOU
On-time arrival % by scheduled departure hour (local time), 4,575 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.5% | 0.8% | 355 |
| 6am–7am | 93.5% | 1.7% | 347 |
| 7am–8am | 93.1% | 0.8% | 133 |
| 8am–9am | 91.0% | 0.6% | 490 |
| 9am–10am | 91.8% | 2.2% | 224 |
| 10am–11am | 92.4% | 0.5% | 185 |
| 11am–12pm | 83.7% | 2.5% | 322 |
| 12pm–1pm | 69.2% | 1.0% | 302 |
| 1pm–2pm | 84.5% | 3.0% | 166 |
| 2pm–3pm | 68.3% | 0.3% | 299 |
| 3pm–4pm | 70.5% | 0.0% | 254 |
| 4pm–5pm | 63.8% | 1.8% | 273 |
| 5pm–6pm | 65.6% | 0.7% | 287 |
| 6pm–7pm | 62.7% | 1.3% | 373 |
| 7pm–8pm | 64.2% | 0.0% | 188 |
| 8pm–9pm | 67.4% | 1.1% | 285 |
| 9pm–10pm | 80.2% | 0.0% | 86 |
| 10pm–11pm | Limited data | 6 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MSY to HOU
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) | 85.2% | +5.7 pts | 1.2% | 82 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.1% | +0.6 pts | 0.6% | 167 |
| Summer peak (Jun 15 - Aug 15) | 72.8% | -6.7 pts | 0.5% | 759 |
| All other days | 79.5% | — | 1.3% | 3,567 |
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).