Route Reliability
St. Louis → Orlando
STL–MCO · 882 miles · St. Louis Lambert International Airport to Orlando International Airport
- 78%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0.9%
- Cancelled
- 2,494
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Southwest Airlines80%2,092 flights
- 2.Frontier Airlines71%392 flights
Not enough history to rank: Spirit Airlines (10 flights). We rank airlines only after 100 flights on the route.
What the data says
The late departure is the smart one here.
STL–MCO flights departing between 9 PM–12 AM arrived on time 100% of the time, versus 68% between 3–6 PM.
Saturdays have been rough.
STL–MCO flights arrived on time 87% of the time on Tuesdays and just 71% on Saturdays. That gap is worth planning around.
Southwest Airlines runs this route best.
Southwest Airlines arrived on time 80% of the time on this route; Frontier Airlines managed 71%.
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
- Mon76%(365 flights)
- Tue87%(303 flights)
- Wed85%(310 flights)
- Thu78%(346 flights)
- Fri78%(369 flights)
- Sat71%(372 flights)
- Sun77%(395 flights)
- 3–6 AM94%(302 flights)
- 6–9 AM87%(418 flights)
- 9 AM–12 PM86%(299 flights)
- 12–3 PM75%(346 flights)
- 3–6 PM68%(707 flights)
- 6–9 PM72%(378 flights)
- 9 PM–12 AM100%(10 flights)
Jun 72% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 72% | 201 |
| July 2025 | 76% | 202 |
| August 2025 | 75% | 180 |
| September 2025 | 85% | 155 |
| October 2025 | 75% | 194 |
| November 2025 | 83% | 200 |
| December 2025 | 71% | 220 |
| January 2026 | 82% | 212 |
| February 2026 | 84% | 192 |
| March 2026 | 72% | 261 |
| April 2026 | 86% | 227 |
| May 2026 | 81% | 216 |
Keep nerding
Based on 2,494 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.