Best Time to Fly HOU to LAX: On-Time Stats by Hour & Airline
William P Hobby → Los Angeles International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 74.2% of Houston (HOU) to Los Angeles (LAX) flights arrived on time (1,195 scheduled flights). That is 3.4 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (89% on time) and Sunday the weakest day of the week (74%).
0.1% of flights were cancelled, versus 1.8% nationally.
HOU to LAX 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 | 74.2% | 44 min | 0.1% | 1,195 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to LAX
On-time arrival % by scheduled departure hour (local time), 2,380 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.6% | 0.5% | 207 |
| 6am–7am | 95.9% | 0.0% | 170 |
| 7am–8am | 90.4% | 0.0% | 125 |
| 8am–9am | 94.8% | 0.0% | 173 |
| 9am–10am | 87.6% | 0.0% | 89 |
| 10am–11am | 80.0% | 4.8% | 63 |
| 11am–12pm | 72.2% | 0.0% | 54 |
| 12pm–1pm | 78.5% | 1.5% | 66 |
| 1pm–2pm | 75.9% | 0.0% | 116 |
| 2pm–3pm | 56.7% | 0.0% | 134 |
| 3pm–4pm | 79.8% | 0.0% | 114 |
| 4pm–5pm | 70.6% | 0.0% | 85 |
| 5pm–6pm | 74.3% | 0.0% | 105 |
| 6pm–7pm | 69.9% | 0.0% | 73 |
| 7pm–8pm | 50.5% | 0.0% | 99 |
| 8pm–9pm | 82.5% | 0.5% | 184 |
| 9pm–10pm | 73.0% | 0.4% | 234 |
| 10pm–11pm | 65.4% | 0.0% | 289 |
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 LAX
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) | 82.3% | +1.8 pts | 0.0% | 51 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -0.5 pts | 0.0% | 111 |
| Summer peak (Jun 15 - Aug 15) | 68.3% | -12.2 pts | 0.0% | 448 |
| All other days | 80.5% | — | 0.4% | 1,770 |
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).