Flight OddsSTL → PHX Frontier Airlines
Frontier Airlines · St. Louis, MO to Phoenix, AZ · 53 flights, 2025-10-10 to 2026-04-11 · aggregated across 2 flight numbers
On-time arrival
83%
Median delay
-13 min
90th percentile
+88 min
Cancellation rate
2%
How on-time is Frontier Airlines from STL to PHX?
Across every Frontier Airlines flight number on STL → PHX (53 flights, 2025-10-10 to 2026-04-11), 83% arrived within 15 minutes of schedule. Median arrival delay -13 min; the worst 10% ran +88 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 43 | 83% |
| 16-30 min | 1 | 2% |
| 31-60 min | 1 | 2% |
| 61-120 min | 3 | 6% |
| 2+ hrs | 4 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 7 | 71% | +141 min |
| 2025-11 | 7 | 100% | -15 min |
| 2025-12 | 9 | 78% | +20 min |
| 2026-01 | 7 | 71% | +7 min |
| 2026-02 | 8 | 100% | -21 min |
| 2026-03 | 12 | 75% | +24 min |
| 2026-04 | 2 | 100% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 67% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 67% |
| Fri | 22 | 100% |
| Sat | 2 | 100% |
| Sun | 7 | 71% |
F9 flight numbers on STL → PHX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…