Historical on-time performance
Orlando to Seattle
2,554 miData through Dec 2025Source: US DOT · BTS
Flights on MCO–SEA arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 1,844 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Delta Air LinesOn-time75%Medianon timep9050 minCancel0.7%Flights702
- Alaska AirlinesOn-time76%Medianon timep9040 minCancel0.6%Flights1,142
Why flights run late
Delay causes
- Airline30%
- Weather13%
- Air traffic (NAS)25%
- Late aircraft30%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MCO → SEA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 87% on time.
- Middays87% on time · p90 15 min · 252 flights
- Mornings82% on time · p90 25 min · 2,900 flights
- Afternoons76% on time · p90 50 min · 424 flights
- Evenings67% on time · p90 70 min · 1,807 flights
- Overnights65% on time · p90 55 min · 141 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 81% on time.
- Tuesdays81% on time · p90 30 min · 760 flights
- Wednesdays78% on time · p90 35 min · 767 flights
- Saturdays76% on time · p90 45 min · 800 flights
- Thursdays76% on time · p90 35 min · 786 flights
- Fridays75% on time · p90 40 min · 800 flights
- Mondays74% on time · p90 40 min · 807 flights
- Sundays74% on time · p90 45 min · 804 flights
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