IAH to MCO flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Orlando International Airport · 854 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or MCO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (IAH) to Orlando (MCO) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.9% were cancelled, and 8% arrived an hour or more late.
- United Airlines was the most punctual airline here (85% on time); Frontier Airlines was the least (72%).
- Departures scheduled around 7am did best (94% on time); around 8pm did worst (68%).
- Wednesday was the most reliable day to fly (87% on time) and Sunday the least (79%).
- The largest source of delay minutes was late-arriving aircraft (39%).
Which airline is most on time from IAH to MCO?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 85% | 0.6% | 11 min | 5.9% | 2,462 |
| Spirit Airlines | 77% | 2.5% | 19 min | 10.0% | 607 |
| Frontier Airlines | 72% | 0.9% | 30 min | 12.8% | 559 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%100 flights
- 7am94%385 flights
- 8am94%252 flights
- 9am86%220 flights
- 10am91%174 flights
- 11am70%69 flights
- 12pm85%429 flights
- 1pm70%117 flights
- 2pm80%381 flights
- 4pm82%381 flights
- 5pm71%156 flights
- 6pm78%376 flights
- 7pm75%281 flights
- 8pm68%201 flights
- 9pm65%71 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday82%1.3% cancelled
- Tuesday85%0.6% cancelled
- Wednesday87%0.6% cancelled
- Thursday81%0.6% cancelled
- Friday81%0.7% cancelled
- Saturday79%0.4% cancelled
- Sunday79%2.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft39%
- Air traffic control & airport congestion30%
- Airline (crew, maintenance, cleaning, fueling)28%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather56%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion12%
- Security0%
IAH to MCO: common questions
- How often are IAH to MCO flights on time?
- 82% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Orlando cancelled?
- 0.9% of scheduled flights were cancelled (34 of 3,628).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 80 min behind schedule on average, and 7.7% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MCO to IAH — 83% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → MCO, nonstop flights by US airlines that report to the DOT. How we calculate this.