Flight OddsSEA → DEN Frontier Airlines
Frontier Airlines · Seattle, WA to Denver, CO · 419 flights, 2025-07-01 to 2026-06-30 · aggregated across 2 flight numbers
On-time arrival
75%
Median delay
-3 min
90th percentile
+55 min
Cancellation rate
2%
How on-time is Frontier Airlines from SEA to DEN?
Across every Frontier Airlines flight number on SEA → DEN (419 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +55 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 310 | 75% |
| 16-30 min | 38 | 9% |
| 31-60 min | 25 | 6% |
| 61-120 min | 21 | 5% |
| 2+ hrs | 17 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 48 | 56% | +46 min |
| 2025-08 | 52 | 69% | +25 min |
| 2025-09 | 30 | 70% | +10 min |
| 2025-10 | 39 | 87% | -2 min |
| 2025-11 | 30 | 80% | +1 min |
| 2025-12 | 25 | 68% | +17 min |
| 2026-01 | 21 | 86% | -2 min |
| 2026-02 | 19 | 79% | 0 min |
| 2026-03 | 18 | 78% | +9 min |
| 2026-04 | 34 | 79% | +10 min |
| 2026-05 | 40 | 88% | -11 min |
| 2026-06 | 55 | 76% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 68 | 72% |
| Tue | 41 | 68% |
| Wed | 38 | 68% |
| Thu | 67 | 79% |
| Fri | 70 | 77% |
| Sat | 57 | 77% |
| Sun | 70 | 80% |
F9 flight numbers on SEA → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…