Historical on-time performance
Orlando to Houston
853 miData through Dec 2025Source: US DOT · BTS
Flights on MCO–IAH arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 3,475 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time78%Medianon timep9055 minCancel0.8%Flights2,363
- Frontier AirlinesOn-time80%Medianon timep9035 minCancel0.5%Flights399
- Spirit AirlinesOn-time74%Medianon timep9060 minCancel1.3%Flights713
Why flights run late
Delay causes
- Airline25%
- Weather9%
- Air traffic (NAS)33%
- Late aircraft33%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MCO → IAH
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 20 min · 3,730 flights
- Middays79% on time · p90 40 min · 2,516 flights
- Afternoons71% on time · p90 75 min · 1,950 flights
- Overnights64% on time · p90 75 min · 664 flights
- Evenings62% on time · p90 100 min · 2,329 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 79% on time.
- Tuesdays79% on time · p90 50 min · 1,501 flights
- Wednesdays77% on time · p90 55 min · 1,551 flights
- Mondays76% on time · p90 55 min · 1,631 flights
- Fridays76% on time · p90 60 min · 1,626 flights
- Thursdays74% on time · p90 60 min · 1,602 flights
- Saturdays74% on time · p90 65 min · 1,629 flights
- Sundays73% on time · p90 70 min · 1,649 flights
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