MRY to SEA flight delays & on-time performance
Nonstop flights from Monterey Regional Airport to Seattle–Tacoma International Airport · 750 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MRY or SEA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Monterey (MRY) to Seattle (SEA) arrived on time 88% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 0% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6pm did best (95% on time); around 4pm did worst (81%).
- The largest source of delay minutes was late-arriving aircraft (39%).
Which airline is most on time from MRY 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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 88% | 0.0% | 5 min | 0.0% | 41 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 4pm81%21 flights
- 6pm95%20 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday88%0.0% cancelled
- Tuesday33%0.0% cancelled
- Wednesday67%0.0% cancelled
- Thursday88%0.0% cancelled
- Friday100%0.0% cancelled
- Saturday100%0.0% cancelled
- Sunday100%0.0% 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)34%
- Air traffic control & airport congestion27%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
MRY to SEA: common questions
- How often are MRY to SEA flights on time?
- 88% 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 Monterey to Seattle cancelled?
- 0.0% of scheduled flights were cancelled (0 of 41).
- How long are typical delays?
- Across all flights the average arrival delay was 5 min (early arrivals count as zero). Flights that were late arrived 25 min behind schedule on average, and 0.0% of flights were an hour or more late.
- How long is taxi time at MRY?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SEA to MRY — 88% on time
More flights from Monterey
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MRY → SEA, nonstop flights by US airlines that report to the DOT. How we calculate this.