Best Time to Fly COS to HOU: On-Time Stats by Hour & Airline
City of Colorado Springs Municipal → William P Hobby
Data through July 2026 · Last updated October 18, 2026
193 flights were scheduled from Colorado Springs (COS) to Houston (HOU) in the last 12 months, and 87.5% of those that flew arrived on time, 9.9 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (85% on time) and June the worst month (74%).
The cancellation rate was 0.0% (US average 1.8%).
COS 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 | 87.5% | 42 min | 0.0% | 193 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly COS to HOU
On-time arrival % by scheduled departure hour (local time), 286 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 6 | |
| 6am–7am | 91.1% | 2.2% | 46 |
| 9am–10am | 92.1% | 0.0% | 39 |
| 10am–11am | 88.2% | 0.0% | 110 |
| 11am–12pm | 70.0% | 0.0% | 30 |
| 12pm–1pm | Limited data | 13 | |
| 1pm–2pm | Limited data | 9 | |
| 2pm–3pm | Limited data | 11 | |
| 4pm–5pm | Limited data | 17 | |
| 5pm–6pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on COS 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) | Limited data | 10 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 21 | ||
| Summer peak (Jun 15 - Aug 15) | 80.3% | -4.7 pts | 0.0% | 67 |
| All other days | 85.0% | — | 0.5% | 188 |
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).