Route Reliability
Charlotte → St. Louis
CLT–STL · 575 miles · Charlotte Douglas International Airport to St. Louis Lambert International Airport
- 78%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 1.5%
- Cancelled
- 1,826
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Southwest Airlines79%271 flights
- 2.American Airlines78%1,555 flights
What the data says
Morning-you made the right choice.
CLT–STL flights departing between 6–9 AM arrived on time 88% of the time, versus 61% between 6–9 PM.
Mondays have been rough.
CLT–STL flights arrived on time 85% of the time on Wednesdays and just 69% on Mondays. That gap is worth planning around.
Not much between Southwest Airlines and American Airlines.
On this route they all land within 78% to 79% on time. Pick on schedule and price.
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
- Mon69%(263 flights)
- Tue80%(250 flights)
- Wed85%(248 flights)
- Thu76%(266 flights)
- Fri78%(264 flights)
- Sat79%(225 flights)
- Sun77%(276 flights)
- 6–9 AM88%(374 flights)
- 9 AM–12 PM78%(166 flights)
- 12–3 PM80%(358 flights)
- 3–6 PM81%(348 flights)
- 6–9 PM61%(311 flights)
- 9 PM–12 AM75%(235 flights)
Jun 66% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 166 |
| July 2025 | 64% | 168 |
| August 2025 | 71% | 162 |
| September 2025 | 86% | 153 |
| October 2025 | 82% | 160 |
| November 2025 | 86% | 161 |
| December 2025 | 76% | 165 |
| January 2026 | 86% | 139 |
| February 2026 | 82% | 131 |
| March 2026 | 75% | 126 |
| April 2026 | 81% | 122 |
| May 2026 | 81% | 139 |
Keep nerding
Based on 1,826 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.