Best Time to Fly COS to DAL: On-Time Stats by Hour & Airline
City of Colorado Springs Municipal → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
799 flights were scheduled from Colorado Springs (COS) to Dallas (DAL) in the last 12 months, and 81.8% of those that flew arrived on time, 4.1 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 July the worst month (66%).
The cancellation rate was 0.9% (US average 1.8%).
COS to DAL 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 | 81.8% | 62 min | 0.9% | 799 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly COS to DAL
On-time arrival % by scheduled departure hour (local time), 1,684 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.8% | 0.6% | 337 |
| 6am–7am | 92.4% | 0.6% | 175 |
| 7am–8am | 90.5% | 0.0% | 84 |
| 8am–9am | 92.9% | 1.8% | 57 |
| 9am–10am | 91.7% | 0.0% | 36 |
| 10am–11am | 83.4% | 0.0% | 205 |
| 11am–12pm | 75.0% | 0.0% | 52 |
| 12pm–1pm | 80.3% | 1.4% | 72 |
| 1pm–2pm | 85.7% | 0.0% | 49 |
| 2pm–3pm | 79.2% | 0.9% | 109 |
| 3pm–4pm | Limited data | 23 | |
| 4pm–5pm | 65.8% | 1.3% | 231 |
| 5pm–6pm | 70.1% | 1.3% | 149 |
| 6pm–7pm | 57.3% | 1.9% | 105 |
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 DAL
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) | 82.9% | -1.5 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.0% | -9.4 pts | 0.0% | 77 |
| Summer peak (Jun 15 - Aug 15) | 72.0% | -12.4 pts | 0.7% | 295 |
| All other days | 84.4% | — | 0.9% | 1,277 |
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).