Historical on-time performance
Houston to Orlando
854 miData through May 2026Source: US DOT · BTS
Flights on IAH–MCO arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 3,707 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time83%Medianon timep9035 minCancel0.8%Flights2,480
- Spirit AirlinesOn-time73%Medianon timep9070 minCancel2.1%Flights712
- Frontier AirlinesOn-time69%Medianon timep9090 minCancel1.0%Flights515
Why flights run late
Delay causes
- Airline32%
- Weather5%
- Air traffic (NAS)25%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather57%
- Air traffic (NAS)10%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 40 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 IAH → 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 — 86% on time.
- Mornings86% on time · p90 20 min · 2,985 flights
- Middays77% on time · p90 45 min · 2,360 flights
- Afternoons73% on time · p90 75 min · 2,716 flights
- Evenings70% on time · p90 75 min · 2,202 flights
- Overnights61% on time · p90 90 min · 913 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 79% on time.
- Tuesdays79% on time · p90 45 min · 1,470 flights
- Wednesdays78% on time · p90 45 min · 1,520 flights
- Mondays77% on time · p90 60 min · 1,629 flights
- Saturdays77% on time · p90 60 min · 1,626 flights
- Thursdays76% on time · p90 60 min · 1,630 flights
- Fridays74% on time · p90 65 min · 1,637 flights
- Sundays72% on time · p90 65 min · 1,664 flights
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