PlainFlights

Route · IAD → MCO · 2020–2025 BTS data

Washington to Orlando

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAD to MCO (Washington to Orlando) ranks #1345 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.7%
On-time
-0.3 pts
vs US avg
73 min
Delay when late
8,950
Flights
#1345 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Oct 2024 94%

Worst Month

May 2025 63%

Distance

758 mi

Carriers

9

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 172 40 0 0 F9,UA
Nov 2025 171 38 2 0 UA,F9
Oct 2025 177 30 0 0 UA,F9
Sep 2025 171 16 0 1 UA,F9
Aug 2025 178 52 1 1 F9,UA
Jul 2025 176 53 3 0 UA,F9
Jun 2025 197 56 0 0 UA,F9
May 2025 206 76 0 0 UA,F9
Apr 2025 218 52 0 0 F9,UA
Mar 2025 217 50 1 0 UA,F9
Feb 2025 187 38 1 0 UA,F9
Jan 2025 192 48 2 0 UA,F9
Dec 2024 164 36 2 1 F9,UA
Nov 2024 163 23 0 0 UA,F9
Oct 2024 124 8 8 0 UA
Sep 2024 120 16 0 0 UA
Aug 2024 124 32 4 0 UA
Jul 2024 124 41 3 1 UA
Jun 2024 120 32 0 1 UA
May 2024 145 30 1 0 UA
Apr 2024 150 23 1 0 UA
Mar 2024 155 43 0 0 UA
Feb 2024 139 22 0 0 UA
Jan 2024 141 33 21 0 UA

IAD–MCO seasonal on-time pattern

Best: September (87.5%) · weakest: July (64.9%)

60%65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79%

Strongest calendar month

September

87.5% on-time · ~116 flights/mo

Busiest calendar month

March

~140 flights/mo avg

Weakest calendar month

July

64.9% on-time · ~119 flights/mo

Cancellation Rate

1.3%

50 of 3,931 flights

Diversion Rate

0.1%

5 of 3,931 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

IAD - Washington

Full on-time, delay-cause, and seasonal performance for Washington, DC.

IAD on-time profile

MCO - Orlando

Full on-time, delay-cause, and seasonal performance for Orlando, FL.

MCO on-time profile

Compare the two airports

See IAD and MCO side by side on delays, cancellations, and reliability.

Compare IAD vs MCO

Origin-hub reliability standing

Mid-pack among IAD departures

From IAD, this corridor sits with 42 other 75–85% on-time routes out of 58 tracked departures, not the hub's reliability leaders (14 at ≥85%) and not the softest ( 2 below 75%). Destination: Orlando · fleet on-time rank #3605 of 4927.

What the Data Says About IAD to MCO

8,950 tracked flights put the IAD to MCO pairing (Washington to Orlando) at a 78.7% on-time rate, squarely in line with the wider network. Delays that do occur run 72.9 minutes on average. Across the 758-mile route and its 9 carriers, the trailing 24 months show 1.3% cancelled and 0.1% diverted (3,931 flights sampled).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 94% on-time, while May 2025 came in at just 63% - a 30-point swing worth factoring into travel timing.

On the multi-year calendar, IAD–MCO peaks in September at 87.5% on-time while March carries the heaviest traffic (~140 flights per month) ; the softest month is July at 64.9%, a 22.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAD to MCO rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAD to MCO ranks #1345 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from IAD to MCO? ▼
Flights from Washington to Orlando have a 78.7% on-time rate based on 8,950 flights. The average delay is 72.9 minutes. The best recent month was Oct 2024 with 94% on-time.
What is the cancellation rate for IAD to MCO? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (50 of 3,931 flights) and 0.1% were diverted.
How far is the flight from IAD to MCO? ▼
The flight distance from Washington (IAD) to Orlando (MCO) is approximately 758 miles. This route is served by 9 carriers.
When is the best time to fly from IAD to MCO? ▼
The best recent month for on-time performance was Oct 2024 (94% on-time). The worst was May 2025 (63% on-time). Consider booking during months with historically better performance.

Airports on this route

IAD Airport

Washington
MCO Airport

Orlando
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using IAD–MCO data

IAD–MCO is mid-pack at 78.7% on-time; month and carrier mix move more than the corridor headline.

  • Compare IAD and MCO airport profiles: delay causes and top routes differ even on the same corridor. IAD airport
  • If your dates flex, September (87.5% on-time) beats July (64.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.7% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.