Best Time to Fly LGA to HOU: On-Time Stats by Hour & Airline
LaGuardia → William P Hobby
Data through July 2026 · Last updated October 18, 2026
1,359 flights were scheduled from New York (LGA) to Houston (HOU) in the last 12 months, and 72.5% of those that flew arrived on time, 5.2 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (85% on time) and Sunday the weakest day of the week (70%).
3.3% of flights were cancelled, versus 1.8% nationally.
LGA 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 | 72.5% | 62 min | 3.3% | 1,359 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LGA to HOU
On-time arrival % by scheduled departure hour (local time), 2,718 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 93.6% | 2.5% | 404 |
| 7am–8am | 89.7% | 0.5% | 207 |
| 8am–9am | 78.5% | 1.8% | 111 |
| 9am–10am | 86.1% | 12.2% | 41 |
| 10am–11am | 85.3% | 2.1% | 97 |
| 11am–12pm | 77.5% | 1.6% | 322 |
| 12pm–1pm | 76.0% | 2.8% | 181 |
| 1pm–2pm | 57.6% | 3.2% | 95 |
| 2pm–3pm | 68.3% | 1.6% | 489 |
| 3pm–4pm | 82.9% | 0.0% | 70 |
| 4pm–5pm | 62.9% | 2.2% | 136 |
| 5pm–6pm | 53.8% | 3.6% | 301 |
| 6pm–7pm | 70.4% | 6.2% | 256 |
| 7pm–8pm | Limited data | 8 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LGA 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) | 84.0% | +7.7 pts | 0.0% | 50 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.0% | +1.6 pts | 1.7% | 120 |
| Summer peak (Jun 15 - Aug 15) | 66.5% | -9.8 pts | 4.3% | 461 |
| All other days | 76.3% | — | 2.4% | 2,087 |
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).