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Route Reliability

Orlando → Washington

MCO–IAD · 758 miles · Orlando International Airport to Washington Dulles International Airport

86
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
7 min
Average arrival delay
0.9%
Cancelled
2,204
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines82%1,932 flights
  2. 2.Frontier Airlines79%272 flights

What the data says

Morning flights do better here.

MCO–IAD flights departing between 3–6 AM arrived on time 100% of the time, versus 68% between 6–9 PM.

Sunday scaries are real for this one.

MCO–IAD flights arrived on time 89% of the time on Tuesdays and just 73% on Sundays. That gap is worth planning around.

United Airlines has a slight edge here.

United Airlines arrived on time 82% of the time on this route; Frontier Airlines managed 79%.

Ticking up lately.

MCO–IAD flights arrived on time 87% of the time over the last three months in the data, compared with 82% in the three months before that.

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%(333 flights)
  • Tue89%(267 flights)
  • Wed86%(272 flights)
  • Thu84%(323 flights)
  • Fri80%(332 flights)
  • Sat81%(323 flights)
  • Sun73%(330 flights)
On-time by departure window
  • 3–6 AM100%(47 flights)
  • 6–9 AM99%(221 flights)
  • 9 AM–12 PM89%(641 flights)
  • 12–3 PM82%(437 flights)
  • 3–6 PM73%(439 flights)
  • 6–9 PM68%(395 flights)
On-time trend by month
83%
May

Jun 71% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%195
July 202573%171
August 202577%177
September 202591%171
October 202581%177
November 202583%169
December 202582%172
January 202682%179
February 202682%170
March 202685%191
April 202692%211
May 202683%197

Same trip, other airports

Keep nerding

Based on 2,204 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.