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WanderNerd

Route Reliability

Orlando → Houston

MCOIAH · 854 miles · Orlando International Airport to George Bush Intercontinental Airport

85
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
3 min
Average arrival delay
1.1%
Cancelled
3,710
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines84%2,481 flights
  2. 2.Frontier Airlines83%515 flights
  3. 3.Spirit Airlines74%714 flights

What the data says

Morning flights do better here.

MCO–IAH flights departing between 3–6 AM arrived on time 94% of the time, versus 70% between 6–9 PM.

Sunday scaries are real for this one.

MCO–IAH flights arrived on time 88% of the time on Tuesdays. On Sundays: 75%.

United Airlines runs this route best.

United Airlines arrived on time 84% of the time on this route; Spirit Airlines managed 74%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon82%(547 flights)
  • Tue88%(469 flights)
  • Wed85%(501 flights)
  • Thu82%(523 flights)
  • Fri81%(550 flights)
  • Sat80%(534 flights)
  • Sun75%(542 flights)
On-time by departure window
  • 3–6 AM94%(33 flights)
  • 6–9 AM92%(667 flights)
  • 9 AM–12 PM88%(800 flights)
  • 12–3 PM86%(590 flights)
  • 3–6 PM74%(933 flights)
  • 6–9 PM70%(527 flights)
  • 9 PM–12 AM72%(116 flights)
On-time trend by month
85%
May

Jun 65% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%291
July 202569%303
August 202571%296
September 202591%268
October 202584%307
November 202584%291
December 202585%314
January 202690%348
February 202687%316
March 202682%350
April 202687%309
May 202685%273

Based on 3,710 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.