PlainFlights

Route · SEA → MCO · 2020–2025 BTS data

Seattle to Orlando

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SEA to MCO (Seattle to Orlando) ranks #1213 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.1%
On-time
+1.1 pts
vs US avg
56 min
Delay when late
9,650
Flights
#1213 of 4927
Corpus placement

Cancelled

1.9%

Best Month

Nov 2025 89%

Worst Month

Jul 2025 62%

Distance

2,554 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 150 27 2 0 DL,AS
Nov 2025 140 16 1 3 AS,DL
Oct 2025 151 25 1 1 AS,DL
Sep 2025 145 28 0 0 DL,AS
Aug 2025 154 42 0 1 AS,DL
Jul 2025 154 59 2 2 AS,DL
Jun 2025 150 45 1 0 AS,DL
May 2025 155 31 0 5 AS,DL
Apr 2025 169 37 0 1 AS,DL
Mar 2025 184 36 1 0 AS,DL
Feb 2025 146 38 0 0 AS,DL
Jan 2025 144 27 0 0 AS,DL
Dec 2024 152 35 0 0 AS,DL
Nov 2024 139 20 0 0 AS,DL
Oct 2024 148 30 11 0 AS,DL
Sep 2024 149 29 2 1 AS,DL
Aug 2024 155 36 5 2 AS,DL
Jul 2024 155 43 7 4 AS,DL
Jun 2024 150 38 0 1 AS,DL
May 2024 155 33 1 1 AS,DL
Apr 2024 164 26 0 1 AS,DL
Mar 2024 182 42 0 1 AS,DL
Feb 2024 150 20 0 0 AS,DL
Jan 2024 154 21 35 1 AS,DL

SEA–MCO seasonal on-time pattern

Best: October (85.8%) · weakest: June (74.8%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 76.3%

Strongest calendar month

October

85.8% on-time · ~142 flights/mo

Busiest calendar month

March

~152 flights/mo avg

Weakest calendar month

June

74.8% on-time · ~125 flights/mo

Cancellation Rate

1.9%

69 of 3,695 flights

Diversion Rate

0.7%

25 of 3,695 flights

Explore origin & destination

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

SEA - Seattle

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

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

Compare SEA vs MCO

Origin-hub reliability standing

Mid-pack among SEA departures

From SEA, this corridor sits with 63 other 75–85% on-time routes out of 89 tracked departures, not the hub's reliability leaders (25 at ≥85%) and not the softest ( 1 below 75%). Destination: Orlando · fleet on-time rank #3114 of 4927.

What the Data Says About SEA to MCO

9,650 tracked flights put the SEA to MCO pairing (Seattle to Orlando) at a 80.1% on-time rate, squarely in line with the wider network. Delays that do occur run 56.2 minutes on average. Across the 2,554-mile route and its 3 carriers, the trailing 24 months show 1.9% cancelled and 0.7% diverted (3,695 flights sampled).

The monthly split is wide on this route: Nov 2025 posted the strongest performance at 89% on-time, while Jul 2025 came in at just 62% - a 27-point swing worth factoring into travel timing.

On the multi-year calendar, SEA–MCO peaks in October at 85.8% on-time while March carries the heaviest traffic (~152 flights per month) ; the softest month is June at 74.8%, a 11.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SEA to MCO rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SEA to MCO ranks #1213 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 SEA to MCO? ▼
Flights from Seattle to Orlando have a 80.1% on-time rate based on 9,650 flights. The average delay is 56.2 minutes. The best recent month was Nov 2025 with 89% on-time.
What is the cancellation rate for SEA to MCO? ▼
Over the last 24 months, 1.9% of flights on this route were cancelled (69 of 3,695 flights) and 0.7% were diverted.
How far is the flight from SEA to MCO? ▼
The flight distance from Seattle (SEA) to Orlando (MCO) is approximately 2,554 miles. This route is served by 3 carriers.
When is the best time to fly from SEA to MCO? ▼
The best recent month for on-time performance was Nov 2025 (89% on-time). The worst was Jul 2025 (62% on-time). Consider booking during months with historically better performance.

Airports on this route

SEA Airport

Seattle
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 SEA–MCO data

SEA–MCO is mid-pack at 80.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare SEA and MCO airport profiles: delay causes and top routes differ even on the same corridor. SEA airport
  • If your dates flex, October (85.8% on-time) beats June (74.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.1% 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.