STL → MYR Southwest Airlines

Southwest Airlines · St. Louis, MO to Myrtle Beach, SC · 73 flights, 2025-07-05 to 2026-06-29 · aggregated across 11 flight numbers

This route has been getting less reliable recently — 2026-06's on-time rate (50%) is well below the 89% average from earlier months.
On-time arrival
75%
Median delay
-1 min
90th percentile
+53 min
Cancellation rate
0%

How on-time is Southwest Airlines from STL to MYR?

Across every Southwest Airlines flight number on STL → MYR (73 flights, 2025-07-05 to 2026-06-29), 75% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +53 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time5575%
16-30 min811%
31-60 min34%
61-120 min45%
2+ hrs34%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071283%+10 min
2025-081191%-3 min
2025-098100%-9 min
2025-10450%+30 min
2025-111100%-9 min
2026-034100%-17 min
2026-044100%-14 min
2026-05580%-3 min
2026-062450%+32 min

Performance by day of week

DayFlightsOn-time
Mon475%
TueNo data—
WedNo data—
Thu425%
Fri450%
Sat4480%
Sun1782%

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