SEA to SIT flight delays & on-time performance
Nonstop flights from Seattle–Tacoma International Airport to Sitka Rocky Gutierrez Airport · 861 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SEA or SIT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Seattle (SEA) to Sitka (SIT) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 7% arrived an hour or more late.
- Alaska Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 11am did best (73% on time); around 9pm did worst (71%).
- Wednesday was the most reliable day to fly (83% on time) and Thursday the least (60%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Which airline is most on time from SEA to SIT?
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 | 72% | 0.0% | 14 min | 6.6% | 243 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am73%144 flights
- 9pm71%99 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%0.0% cancelled
- Tuesday82%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday60%0.0% cancelled
- Friday62%0.0% cancelled
- Saturday82%0.0% cancelled
- Sunday62%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 aircraft44%
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion17%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
SEA to SIT: common questions
- How often are SEA to SIT flights on time?
- 72% 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 Seattle to Sitka cancelled?
- 0.0% of scheduled flights were cancelled (0 of 243).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 47 min behind schedule on average, and 6.6% of flights were an hour or more late.
- How long is taxi time at SEA?
- Flights on this route spent 23 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SIT to SEA — 74% on time
More flights from Seattle
More flights to Sitka
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SEA → SIT, nonstop flights by US airlines that report to the DOT. How we calculate this.