Flight OddsONT → DEN Frontier Airlines
Frontier Airlines · Ontario, CA to Denver, CO · 552 flights, 2025-07-01 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
81%
Median delay
-7 min
90th percentile
+57 min
Cancellation rate
1%
How on-time is Frontier Airlines from ONT to DEN?
Across every Frontier Airlines flight number on ONT → DEN (552 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +57 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 443 | 81% |
| 16-30 min | 26 | 5% |
| 31-60 min | 26 | 5% |
| 61-120 min | 37 | 7% |
| 2+ hrs | 16 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 60 | 55% | +39 min |
| 2025-08 | 56 | 68% | +12 min |
| 2025-09 | 48 | 73% | -1 min |
| 2025-10 | 47 | 83% | +24 min |
| 2025-11 | 54 | 93% | -9 min |
| 2025-12 | 27 | 74% | +20 min |
| 2026-01 | 31 | 94% | -4 min |
| 2026-02 | 33 | 91% | -1 min |
| 2026-03 | 32 | 81% | +14 min |
| 2026-04 | 39 | 90% | +6 min |
| 2026-05 | 61 | 89% | -1 min |
| 2026-06 | 60 | 90% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 84 | 75% |
| Tue | 68 | 81% |
| Wed | 65 | 82% |
| Thu | 90 | 84% |
| Fri | 84 | 85% |
| Sat | 71 | 82% |
| Sun | 86 | 78% |
F9 flight numbers on ONT → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…