Flight OddsF91121 SLC → ONT
Frontier Airlines · Salt Lake City, UT to Ontario, CA · 30 flights observed, 2026-01-22 to 2026-05-04 · 558 mi
On-time arrival
93%
Median delay
-13 min
90th percentile
+3 min
Cancellation rate
3%
How often is F91121 on time?
Across 30 flights on SLC → ONT from 2026-01-22 to 2026-05-04, F91121 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +3 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 27 | 93% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 6 | 83% | -5 min |
| 2026-02 | 11 | 100% | -17 min |
| 2026-03 | 1 | 100% | -8 min |
| 2026-04 | 9 | 89% | +0 min |
| 2026-05 | 2 | 100% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | 9 | 89% |
| Fri | 6 | 100% |
| Sat | No data | — |
| Sun | 7 | 100% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…