Flight OddsF91230 SFO → DEN
Frontier Airlines · San Francisco, CA to Denver, CO · 346 flights observed, 2025-07-01 to 2026-06-30 · 967 mi
On-time arrival
88%
Median delay
-10 min
90th percentile
+20 min
Cancellation rate
1%
How often is F91230 on time?
Across 346 flights on SFO → DEN from 2025-07-01 to 2026-06-30, F91230 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +20 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 301 | 88% |
| 16-30 min | 19 | 6% |
| 31-60 min | 10 | 3% |
| 61-120 min | 4 | 1% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 83% | +14 min |
| 2025-08 | 31 | 74% | +14 min |
| 2025-09 | 26 | 85% | +1 min |
| 2025-10 | 30 | 87% | -3 min |
| 2025-11 | 30 | 93% | -5 min |
| 2025-12 | 31 | 87% | +2 min |
| 2026-01 | 25 | 96% | -8 min |
| 2026-02 | 22 | 86% | -1 min |
| 2026-03 | 28 | 89% | -3 min |
| 2026-04 | 28 | 93% | -7 min |
| 2026-05 | 31 | 94% | -11 min |
| 2026-06 | 30 | 90% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 88% |
| Tue | 47 | 87% |
| Wed | 46 | 85% |
| Thu | 52 | 88% |
| Fri | 51 | 88% |
| Sat | 43 | 86% |
| Sun | 52 | 92% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…