Flight OddsDEN → ONT Frontier Airlines
Frontier Airlines · Denver, CO to Ontario, CA · 551 flights, 2025-07-01 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
80%
Median delay
-8 min
90th percentile
+49 min
Cancellation rate
0%
How on-time is Frontier Airlines from DEN to ONT?
Across every Frontier Airlines flight number on DEN → ONT (551 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +49 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 438 | 80% |
| 16-30 min | 32 | 6% |
| 31-60 min | 39 | 7% |
| 61-120 min | 31 | 6% |
| 2+ hrs | 9 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 61 | 72% | +15 min |
| 2025-08 | 56 | 82% | +2 min |
| 2025-09 | 47 | 87% | +1 min |
| 2025-10 | 48 | 83% | +2 min |
| 2025-11 | 54 | 85% | -5 min |
| 2025-12 | 26 | 73% | +14 min |
| 2026-01 | 31 | 74% | -2 min |
| 2026-02 | 33 | 76% | -3 min |
| 2026-03 | 33 | 82% | +15 min |
| 2026-04 | 39 | 90% | +5 min |
| 2026-05 | 61 | 82% | +0 min |
| 2026-06 | 60 | 70% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 85 | 71% |
| Tue | 67 | 78% |
| Wed | 65 | 85% |
| Thu | 88 | 83% |
| Fri | 85 | 80% |
| Sat | 71 | 83% |
| Sun | 88 | 81% |
F9 flight numbers on DEN → ONT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…