Route Reliability
St. Louis → Charlotte
STL–CLT · 575 miles · St. Louis Lambert International Airport to Charlotte Douglas International Airport
- 84%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.4%
- Cancelled
- 1,827
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines85%1,559 flights
- 2.Southwest Airlines77%268 flights
What the data says
Morning-you made the right choice.
STL–CLT flights departing between 3–6 AM arrived on time 93% of the time, versus 72% between 3–6 PM.
Wednesday has been the better bet.
A small edge: 87% on time on Wednesdays against 81% on Mondays.
American Airlines runs this route best.
American Airlines arrived on time 85% of the time on this route; Southwest Airlines managed 77%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon81%(268 flights)
- Tue87%(248 flights)
- Wed87%(247 flights)
- Thu84%(272 flights)
- Fri84%(263 flights)
- Sat83%(227 flights)
- Sun82%(277 flights)
- 3–6 AM93%(151 flights)
- 6–9 AM88%(446 flights)
- 9 AM–12 PM88%(359 flights)
- 12–3 PM81%(390 flights)
- 3–6 PM72%(313 flights)
- 6–9 PM83%(143 flights)
Jun 75% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 167 |
| July 2025 | 77% | 170 |
| August 2025 | 83% | 161 |
| September 2025 | 89% | 154 |
| October 2025 | 85% | 161 |
| November 2025 | 81% | 161 |
| December 2025 | 79% | 166 |
| January 2026 | 89% | 142 |
| February 2026 | 88% | 132 |
| March 2026 | 84% | 126 |
| April 2026 | 92% | 123 |
| May 2026 | 86% | 139 |
Keep nerding
Based on 1,827 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.