Flight OddsDEN → SEA Frontier Airlines
Frontier Airlines · Denver, CO to Seattle, WA · 419 flights, 2025-07-01 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
76%
Median delay
-5 min
90th percentile
+48 min
Cancellation rate
2%
How on-time is Frontier Airlines from DEN to SEA?
Across every Frontier Airlines flight number on DEN → SEA (419 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +48 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 311 | 76% |
| 16-30 min | 33 | 8% |
| 31-60 min | 34 | 8% |
| 61-120 min | 20 | 5% |
| 2+ hrs | 13 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 48 | 54% | +33 min |
| 2025-08 | 53 | 66% | +18 min |
| 2025-09 | 31 | 74% | +1 min |
| 2025-10 | 38 | 84% | -4 min |
| 2025-11 | 30 | 80% | +8 min |
| 2025-12 | 25 | 68% | +11 min |
| 2026-01 | 20 | 65% | +8 min |
| 2026-02 | 19 | 89% | -3 min |
| 2026-03 | 18 | 78% | +8 min |
| 2026-04 | 34 | 91% | -11 min |
| 2026-05 | 40 | 88% | -6 min |
| 2026-06 | 55 | 80% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 70 | 76% |
| Tue | 40 | 75% |
| Wed | 39 | 82% |
| Thu | 66 | 79% |
| Fri | 69 | 70% |
| Sat | 56 | 77% |
| Sun | 71 | 75% |
F9 flight numbers on DEN → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…