Best Time to Fly HOU to SAV: On-Time Stats by Hour & Airline
William P Hobby → Savannah/Hilton Head International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 86.5% of Houston (HOU) to Savannah (SAV) flights arrived on time (178 scheduled flights). That is 8.9 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (90% on time) and July the worst month (62%).
The cancellation rate was 0.0% (US average 1.8%).
HOU to SAV 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 | 86.5% | 49 min | 0.0% | 178 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to SAV
On-time arrival % by scheduled departure hour (local time), 382 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 26 | |
| 10am–11am | 85.3% | 0.0% | 95 |
| 11am–12pm | 79.6% | 0.0% | 49 |
| 12pm–1pm | Limited data | 16 | |
| 1pm–2pm | Limited data | 9 | |
| 2pm–3pm | Limited data | 16 | |
| 3pm–4pm | 67.3% | 0.0% | 56 |
| 4pm–5pm | 84.8% | 0.0% | 33 |
| 6pm–7pm | Limited data | 13 | |
| 7pm–8pm | Limited data | 25 | |
| 8pm–9pm | Limited data | 18 | |
| 9pm–10pm | Limited data | 26 | |
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 SAV
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) | Limited data | 4 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 5 | ||
| Summer peak (Jun 15 - Aug 15) | 66.0% | -17.8 pts | 3.0% | 101 |
| All other days | 83.8% | — | 0.0% | 272 |
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).