MCO to SDF flight delays
Orlando, FL (MCO) Louisville, KY (SDF) · 719 miles
868 flights · January 2025 – August 2026 · US Bureau of Transportation Statistics
74.2%
Arrived on time
Within 15 minutes of schedule
2.07%
Cancelled
Share of scheduled flights
58 min
When late, late by
Average across delayed arrivals
16 min
Delay per flight
Averaged over every flight flown
What the record says about this route
The season swings this route hard. In September it ran 33.6 points more punctual than in December — a difference bigger than the one between the best and worst airlines on most routes. If the date is flexible, it is worth more than the carrier.
Which airline you fly changes the odds here. Spirit Airlines arrived on time 8.3 points more often than Southwest Airlines over the same period on the same route — same airports, same weather, same air traffic control. A gap that survives all of that is about how the two airlines are run.
The two directions do not behave alike. SDF to MCO arrives on time 6.6 points more often than the outbound. Delay accumulates through the flying day, so whichever direction is scheduled later tends to carry the worse record — which is an argument for booking the morning departure if the choice exists.
Flights from Orlando to Louisville run late more often than the average route, though not severely.
Which airline should you fly on this route?
Over January 2025 – August 2026, Spirit Airlines arrived on time most often on MCO to SDF. Southwest Airlines was late most often. Flights ran closest to schedule in September and worst in December.
Every airline on MCO to SDF
Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.
| Airline | Flights | On time | Cancelled | Avg delay | Grade |
|---|---|---|---|---|---|
| Southwest Airlines | 724 | 73.16% | 2.07% | 59 min | D |
| Spirit Airlines | 116 | 81.42% | 2.59% | 53 min | C |
| Republic Airways | 28 | 71.43% | 0% | 38 min | — |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
The return leg
SDF to MCO Louisville back to Orlando 80.85% on time COther routes from Orlando
Common questions
Are flights from Orlando to Louisville usually delayed?
74.2% of flights on the MCO to SDF route arrived within 15 minutes of schedule, so roughly 3 in every ten arrived late. That is about the same as the average route in this record.
Which airline is most on time from Orlando to Louisville?
Spirit Airlines, at 81.42% on time across 116 flights. The least punctual on the route was Southwest Airlines at 73.16%.
How often are MCO to SDF flights cancelled?
2.07% of scheduled flights did not operate — about 21 in every thousand. That is in the normal range.
What is the best month to fly Orlando to Louisville?
September, when 95.2% of flights arrived on time. The worst was December at 61.6%.
When MCO to SDF flights are late, how late are they?
About 58 minutes on average across the flights that arrived more than 15 minutes behind schedule.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on MCO to SDF during January 2025 – August 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.
A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.
Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →