Colorado Springs (COS) to Atlanta (ATL): On-Time Performance
Data through July 2026
Colorado Springs (COS) to Atlanta (ATL) effectively runs on two schedules. In October 2025, 98% of arrivals were on time; in November 2024 that fell to 71% — a 27-point seasonal swing. Across the full period the route averages 85% on-time against a national 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 1.6
- last 12 months
- Duration
- 2h 56m
- scheduled
- Distance
- 1,184 mi
Monthly on-time trend
Best time to fly from COS to ATL
Aim for departures around 6 a.m. (89% on-time); avoid 2 p.m. departures (74%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 19 min |
| Tuesday | 87% | 15 min |
| Wednesday | 87% | 10 min |
| Thursdaybest | 89% | 12 min |
| Friday | 88% | 9 min |
| Saturday | 82% | 11 min |
| Sunday | 81% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft26%
- Airline operations58%
- National airspace system12%
- Weather4%
Frequently asked questions
- How often are flights from COS to ATL delayed?
- 15% of COS–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from COS to ATL?
- Departures around 6 a.m. have the best record (89% on-time), while departures around 2 p.m. have the worst (74%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from COS to ATL?
- The scheduled COS–ATL flight time averages 2h 56m over 1,184 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are COS to ATL flights cancelled?
- 1.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from COS to ATL?
- November 2024 was the roughest month in this dataset, with only 71% of arrivals on time. The best was October 2025 at 98%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 1,167 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.