STL → DFW Frontier Airlines

Frontier Airlines · St. Louis, MO to Dallas/Fort Worth, TX · 80 flights, 2025-07-06 to 2026-06-30 · aggregated across 2 flight numbers

This route's reliability varies a lot by day of week — 100% on-time on Saturdays vs. 61% on Sundays.
On-time arrival
70%
Median delay
-7 min
90th percentile
+42 min
Cancellation rate
3%

How on-time is Frontier Airlines from STL to DFW?

Across every Frontier Airlines flight number on STL → DFW (80 flights, 2025-07-06 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +42 min or later. 3% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time5470%
16-30 min1013%
31-60 min79%
61-120 min45%
2+ hrs23%

Performance by month

MonthFlightsOn-timeAvg delay
2025-07450%+8 min
2025-084100%-9 min
2025-09838%+18 min
2025-10989%-6 min
2025-11956%+17 min
2025-1210%+92 min
2026-044100%-14 min
2026-051479%+47 min
2026-062471%+12 min

Performance by day of week

DayFlightsOn-time
Mon967%
Tue580%
Wed475%
Thu2365%
Fri683%
Sat7100%
Sun2361%

F9 flight numbers on STL → DFW

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…