PHX → STL Frontier Airlines
Frontier Airlines · Phoenix, AZ to St. Louis, MO · 53 flights, 2025-10-10 to 2026-04-11 · aggregated across 2 flight numbers
On-time arrival
83%
Median delay
-5 min
90th percentile
+46 min
Cancellation rate
2%
How on-time is Frontier Airlines from PHX to STL?
Across every Frontier Airlines flight number on PHX → STL (53 flights, 2025-10-10 to 2026-04-11), 83% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +46 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 | 2 | 4% |
| 31-60 min | 2 | 4% |
| 61-120 min | 3 | 6% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 7 | 71% | +144 min |
| 2025-11 | 7 | 100% | -17 min |
| 2025-12 | 9 | 78% | +5 min |
| 2026-01 | 7 | 86% | -6 min |
| 2026-02 | 8 | 100% | -6 min |
| 2026-03 | 12 | 67% | +26 min |
| 2026-04 | 2 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 72% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 33% |
| Fri | 22 | 95% |
| Sat | 2 | 100% |
| Sun | 7 | 86% |
F9 flight numbers on PHX → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…