Flight OddsDEN → STL Frontier Airlines
Frontier Airlines · Denver, CO to St. Louis, MO · 277 flights, 2025-07-02 to 2026-06-30 · aggregated across 1 flight number
On-time arrival
87%
Median delay
-14 min
90th percentile
+23 min
Cancellation rate
0%
How on-time is Frontier Airlines from DEN to STL?
Across every Frontier Airlines flight number on DEN → STL (277 flights, 2025-07-02 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -14 min; the worst 10% ran +23 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 240 | 87% |
| 16-30 min | 14 | 5% |
| 31-60 min | 16 | 6% |
| 61-120 min | 4 | 1% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 17 | 82% | -5 min |
| 2025-08 | 24 | 92% | -12 min |
| 2025-09 | 30 | 90% | -5 min |
| 2025-10 | 31 | 100% | -16 min |
| 2025-11 | 30 | 87% | -11 min |
| 2025-12 | 18 | 94% | -3 min |
| 2026-01 | 18 | 89% | -8 min |
| 2026-02 | 18 | 94% | -8 min |
| 2026-03 | 17 | 88% | -10 min |
| 2026-04 | 19 | 84% | -10 min |
| 2026-05 | 25 | 80% | +2 min |
| 2026-06 | 29 | 66% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 84% |
| Tue | 21 | 81% |
| Wed | 46 | 93% |
| Thu | 26 | 88% |
| Fri | 52 | 85% |
| Sat | 52 | 87% |
| Sun | 28 | 89% |
F9 flight numbers on DEN → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…