Flight OddsF91261 DEN → ONT
Frontier Airlines · Denver, CO to Ontario, CA · 264 flights observed, 2025-07-01 to 2026-06-30 · 819 mi
On-time arrival
83%
Median delay
-9 min
90th percentile
+39 min
Cancellation rate
0%
How often is F91261 on time?
Across 264 flights on DEN → ONT from 2025-07-01 to 2026-06-30, F91261 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +39 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 220 | 83% |
| 16-30 min | 12 | 5% |
| 31-60 min | 17 | 6% |
| 61-120 min | 13 | 5% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | -2 min |
| 2025-08 | 25 | 100% | -10 min |
| 2025-09 | 17 | 94% | -3 min |
| 2025-10 | 18 | 89% | -1 min |
| 2025-11 | 22 | 91% | -6 min |
| 2025-12 | 11 | 100% | -15 min |
| 2026-01 | 12 | 92% | -20 min |
| 2026-02 | 9 | 78% | +1 min |
| 2026-03 | 28 | 79% | +20 min |
| 2026-04 | 30 | 90% | +9 min |
| 2026-05 | 31 | 74% | +6 min |
| 2026-06 | 30 | 50% | +20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 41 | 73% |
| Tue | 34 | 76% |
| Wed | 33 | 88% |
| Thu | 40 | 85% |
| Fri | 39 | 90% |
| Sat | 36 | 83% |
| Sun | 41 | 88% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…