Historical on-time performance
St. Louis to Orlando
881 miData through May 2026Source: US DOT · BTS
Flights on STL–MCO arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 2,400 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesbestOn-time78%Medianon timep9035 minCancel0.6%Flights2,092
- Frontier AirlinesOn-time67%Medianon timep9060 minCancel2.9%Flights308
Why flights run late
Delay causes
- Airline26%
- Weather2%
- Air traffic (NAS)24%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline43%
- Weather29%
- Air traffic (NAS)29%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 21 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly STL → MCO
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 2,429 flights
- Middays78% on time · p90 35 min · 1,089 flights
- Afternoons70% on time · p90 60 min · 1,512 flights
- Evenings69% on time · p90 60 min · 1,813 flights
- Overnights68% on time · p90 65 min · 555 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 82% on time.
- Tuesdays82% on time · p90 35 min · 941 flights
- Wednesdays81% on time · p90 35 min · 937 flights
- Fridays79% on time · p90 40 min · 1,090 flights
- Mondays77% on time · p90 45 min · 1,072 flights
- Thursdays77% on time · p90 45 min · 1,063 flights
- Sundays72% on time · p90 55 min · 1,190 flights
- Saturdays72% on time · p90 50 min · 1,105 flights
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