MCO to STL flight delays

MCO STL Orlando to St. Louis Lambert · 882 miles

7,402 flights were scheduled from MCO to STL over July 2023 through June 2026. Of the 7,302 that made the trip, 75.5% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
7,402
Arrived on time
75.5%
Cancelled
1.1%
Scheduled distance
882 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on MCO–STL, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Southwest Airlines 76.2% 58 min 0.9% 5,892
Frontier Airlines 75.2% 81 min 1.3% 1,116
Spirit Airlines 65.7% 72 min 2.5% 394

Month by month

July was the month to avoid on MCO–STL: 65.1% of flights arrived on time, against 83.4% in November. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 75.5%.
Arrival on-time share, MCO to STL, by calendar month
Month Share flights that arrived on time Flights
January 77.2% 618
February 80.3% 566
March 70.7% 735
April 80.9% 644
May 73.9% 650
June 69% 613
July 65.1% 635
August 70.4% 577
September 83.3% 522
October 77.5% 600
November 83.4% 588
December 77% 654

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

MCO to STL in one number

MCO → STL

When a flight on this route was late, it was late by about 62 min.

July 2023–June 2026 · 7,402 flights

75.5% of flights arrived on time

Questions about MCO to STL

Which airline is most reliable from MCO to STL?
Southwest Airlines — its flights on this pairing arrived on time 76.2% of the time, with 5,892 scheduled. Spirit Airlines came in at 65.7% over 394 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly MCO to STL?
July, at 65.1% of arrivals on time, with 635 flights scheduled. November was the best of the year at 83.4%.
How late are MCO–STL flights when they are late?
62 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the MCO to STL flight cancelled?
1.1% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at STL less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.