Flight OddsONT → SEA Frontier Airlines
Frontier Airlines · Ontario, CA to Seattle, WA · 169 flights, 2025-07-01 to 2026-06-30 · aggregated across 2 flight numbers
On-time arrival
83%
Median delay
-14 min
90th percentile
+31 min
Cancellation rate
0%
How on-time is Frontier Airlines from ONT to SEA?
Across every Frontier Airlines flight number on ONT → SEA (169 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -14 min; the worst 10% ran +31 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 140 | 83% |
| 16-30 min | 11 | 7% |
| 31-60 min | 7 | 4% |
| 61-120 min | 6 | 4% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +1 min |
| 2025-08 | 31 | 97% | -14 min |
| 2025-09 | 18 | 83% | -10 min |
| 2025-10 | 14 | 71% | +1 min |
| 2025-11 | 17 | 88% | -2 min |
| 2025-12 | 15 | 60% | +27 min |
| 2026-01 | 6 | 100% | -9 min |
| 2026-05 | 9 | 78% | +87 min |
| 2026-06 | 28 | 79% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 31 | 74% |
| Tue | 17 | 76% |
| Wed | 13 | 85% |
| Thu | 21 | 95% |
| Fri | 33 | 82% |
| Sat | 20 | 80% |
| Sun | 34 | 88% |
F9 flight numbers on ONT → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…