Historical on-time performance
Houston to Orlando
853 miData through Dec 2025Source: US DOT · BTS
Flights on IAH–MCO arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 3,501 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time80%Medianon timep9050 minCancel0.9%Flights2,363
- Spirit AirlinesOn-time76%Medianon timep9070 minCancel1.3%Flights710
- Frontier AirlinesOn-time62%Medianon timep9090 minCancel0.9%Flights428
Why flights run late
Delay causes
- Airline32%
- Weather6%
- Air traffic (NAS)27%
- Late aircraft35%
- 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 IAH → MCO
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 — 84% on time.
- Mornings84% on time · p90 25 min · 3,216 flights
- Middays74% on time · p90 55 min · 2,273 flights
- Afternoons72% on time · p90 75 min · 2,610 flights
- Evenings67% on time · p90 85 min · 2,238 flights
- Overnights60% on time · p90 90 min · 847 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 77% on time.
- Tuesdays77% on time · p90 50 min · 1,501 flights
- Wednesdays75% on time · p90 55 min · 1,550 flights
- Saturdays75% on time · p90 60 min · 1,637 flights
- Mondays75% on time · p90 70 min · 1,632 flights
- Thursdays74% on time · p90 65 min · 1,601 flights
- Fridays72% on time · p90 65 min · 1,618 flights
- Sundays71% on time · p90 70 min · 1,645 flights
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