MCO to SEA flight delays & on-time performance
Nonstop flights from Orlando International Airport to Seattle–Tacoma International Airport · 2,554 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MCO or SEA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Orlando (MCO) to Seattle (SEA) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1% were cancelled, and 7% arrived an hour or more late.
- Alaska Airlines was the most punctual airline here (77% on time); Delta Air Lines was the least (76%).
- Departures scheduled around 9am did best (87% on time); around 6pm did worst (66%).
- Thursday was the most reliable day to fly (80% on time) and Sunday the least (73%).
- The largest source of delay minutes was late-arriving aircraft (39%).
Which airline is most on time from MCO to SEA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Alaska Airlines | 77% | 0.7% | 15 min | 6.3% | 1,103 |
| Delta Air Lines | 76% | 1.4% | 15 min | 7.2% | 719 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am81%365 flights
- 8am79%96 flights
- 9am87%463 flights
- 10am85%41 flights
- 4pm71%196 flights
- 5pm75%70 flights
- 6pm66%478 flights
- 7pm68%79 flights
- 8pm72%34 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%0.4% cancelled
- Tuesday79%0.4% cancelled
- Wednesday79%0.4% cancelled
- Thursday80%0.4% cancelled
- Friday76%2.6% cancelled
- Saturday74%0.0% cancelled
- Sunday73%2.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft39%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion24%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)72%
- Extreme weather22%
- Air traffic control & airport congestion6%
- Security0%
MCO to SEA: common questions
- How often are MCO to SEA flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Orlando to Seattle cancelled?
- 1.0% of scheduled flights were cancelled (18 of 1,822).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 58 min behind schedule on average, and 6.7% of flights were an hour or more late.
- How long is taxi time at MCO?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SEA to MCO — 82% on time
More flights from Orlando
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MCO → SEA, nonstop flights by US airlines that report to the DOT. How we calculate this.