Flight OddsCOS → ATL Delta Air Lines
Delta Air Lines · Colorado Springs, CO to Atlanta, GA · 584 flights, 2025-07-01 to 2026-06-30 · aggregated across 5 flight numbers
On-time arrival
90%
Median delay
-15 min
90th percentile
+14 min
Cancellation rate
2%
How on-time is Delta Air Lines from COS to ATL?
Across every Delta Air Lines flight number on COS → ATL (584 flights, 2025-07-01 to 2026-06-30), 90% arrived within 15 minutes of schedule. Median arrival delay -15 min; the worst 10% ran +14 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 510 | 90% |
| 16-30 min | 19 | 3% |
| 31-60 min | 17 | 3% |
| 61-120 min | 9 | 2% |
| 2+ hrs | 11 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 55 | 89% | -7 min |
| 2025-08 | 51 | 90% | -11 min |
| 2025-09 | 49 | 96% | -14 min |
| 2025-10 | 53 | 98% | -6 min |
| 2025-11 | 50 | 90% | -4 min |
| 2025-12 | 32 | 84% | +3 min |
| 2026-01 | 28 | 82% | +3 min |
| 2026-02 | 28 | 93% | -22 min |
| 2026-03 | 49 | 84% | +8 min |
| 2026-04 | 55 | 85% | 0 min |
| 2026-05 | 58 | 90% | -7 min |
| 2026-06 | 58 | 95% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 88 | 84% |
| Tue | 86 | 90% |
| Wed | 84 | 93% |
| Thu | 84 | 98% |
| Fri | 82 | 98% |
| Sat | 55 | 84% |
| Sun | 87 | 84% |
DL flight numbers on COS → ATL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…