PlainFlights

Route · MCO → SEA · 2020–2025 BTS data

Orlando to Seattle

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MCO to SEA (Orlando to Seattle) ranks #1217 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.8%
On-time
+0.8 pts
vs US avg
68 min
Delay when late
9,641
Flights
#1217 of 4927
Corpus placement

Cancelled

1.9%

Best Month

Feb 2024 89%

Worst Month

May 2024 60%

Distance

2,554 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 151 47 3 1 DL,AS
Nov 2025 139 26 1 0 AS,DL
Oct 2025 151 30 1 0 AS,DL
Sep 2025 145 16 0 0 DL,AS
Aug 2025 154 56 0 0 AS,DL
Jul 2025 154 41 3 0 AS,DL
Jun 2025 150 34 1 1 AS,DL
May 2025 154 44 0 0 AS,DL
Apr 2025 171 25 0 0 AS,DL
Mar 2025 184 48 3 1 AS,DL
Feb 2025 146 32 0 1 AS,DL
Jan 2025 145 30 0 0 AS,DL
Dec 2024 151 33 0 0 AS,DL
Nov 2024 138 22 0 1 AS,DL
Oct 2024 147 16 11 0 AS,DL
Sep 2024 150 31 2 0 AS,DL
Aug 2024 155 48 5 3 AS,DL
Jul 2024 155 53 7 0 AS,DL
Jun 2024 150 43 0 2 AS,DL
May 2024 154 61 1 0 AS,DL
Apr 2024 165 44 1 0 AS,DL
Mar 2024 182 42 0 1 AS,DL
Feb 2024 150 16 0 0 AS,DL
Jan 2024 154 23 30 0 AS,DL

MCO–SEA seasonal on-time pattern

Best: October (87.8%) · weakest: June (72.6%)

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

Strongest calendar month

October

87.8% on-time · ~142 flights/mo

Busiest calendar month

March

~152 flights/mo avg

Weakest calendar month

June

72.6% on-time · ~125 flights/mo

Cancellation Rate

1.9%

69 of 3,695 flights

Diversion Rate

0.3%

11 of 3,695 flights

Explore origin & destination

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

MCO - Orlando

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

MCO on-time profile

SEA - Seattle

Full on-time, delay-cause, and seasonal performance for Seattle, WA.

SEA on-time profile

Compare the two airports

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

Compare MCO vs SEA

Origin-hub reliability standing

Mid-pack among MCO departures

From MCO, this corridor sits with 45 other 75–85% on-time routes out of 71 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 26 below 75%). Destination: Seattle · fleet on-time rank #3230 of 4927.

What the Data Says About MCO to SEA

9,641 tracked flights put the MCO to SEA pairing (Orlando to Seattle) at a 79.8% on-time rate, squarely in line with the wider network. Delays that do occur run 67.6 minutes on average. Across the 2,554-mile route and its 3 carriers, the trailing 24 months show 1.9% cancelled and 0.3% diverted (3,695 flights sampled).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 89% on-time, while May 2024 came in at just 60% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, MCO–SEA peaks in October at 87.8% on-time while March carries the heaviest traffic (~152 flights per month) ; the softest month is June at 72.6%, a 15.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MCO to SEA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MCO to SEA ranks #1217 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 MCO to SEA? ▼
Flights from Orlando to Seattle have a 79.8% on-time rate based on 9,641 flights. The average delay is 67.6 minutes. The best recent month was Feb 2024 with 89% on-time.
What is the cancellation rate for MCO to SEA? ▼
Over the last 24 months, 1.9% of flights on this route were cancelled (69 of 3,695 flights) and 0.3% were diverted.
How far is the flight from MCO to SEA? ▼
The flight distance from Orlando (MCO) to Seattle (SEA) is approximately 2,554 miles. This route is served by 3 carriers.
When is the best time to fly from MCO to SEA? ▼
The best recent month for on-time performance was Feb 2024 (89% on-time). The worst was May 2024 (60% on-time). Consider booking during months with historically better performance.

Airports on this route

MCO Airport

Orlando
SEA Airport

Seattle
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 MCO–SEA data

MCO–SEA is mid-pack at 79.8% on-time; month and carrier mix move more than the corridor headline.

  • Compare MCO and SEA airport profiles: delay causes and top routes differ even on the same corridor. MCO airport
  • If your dates flex, October (87.8% on-time) beats June (72.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.8% 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.