Route Reliability
St. Louis → Myrtle Beach
STL–MYR · 728 miles · St. Louis Lambert International Airport to Myrtle Beach International Airport
88
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0%
- Cancelled
- 61
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 80% of the time across 61 flights. No comparison to make.
What the data says
The 12–3 PM departure wins.
STL–MYR flights departing between 12–3 PM arrived on time 88% of the time, versus 77% between 9 AM–12 PM.
Saturday is the weak spot.
STL–MYR flights arrived on time 88% of the time on Sundays. On Saturdays: 77%.
Flights on this route
The breakdown
- Mon—(0 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu—(0 flights)
- Fri—(0 flights)
- Sat77%(44 flights)
- Sun88%(17 flights)
- 9 AM–12 PM77%(31 flights)
- 12–3 PM88%(16 flights)
- 3–6 PM79%(14 flights)
91%
Aug
Jun 50% → Aug 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 12 |
| July 2025 | 83% | 12 |
| August 2025 | 91% | 11 |
Keep nerding
Based on 61 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.