SIT to SEA flight delays & on-time performance
Nonstop flights from Sitka Rocky Gutierrez Airport to Seattle–Tacoma International Airport · 861 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SIT or SEA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Sitka (SIT) to Seattle (SEA) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.8% were cancelled, and 8% arrived an hour or more late.
- Alaska Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (80% on time); around 1pm did worst (65%).
- Saturday was the most reliable day to fly (82% on time) and Friday the least (61%).
- The largest source of delay minutes was late-arriving aircraft (40%).
Which airline is most on time from SIT 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 | 74% | 0.8% | 16 min | 8.3% | 244 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am80%99 flights
- 1pm65%92 flights
- 2pm78%52 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%5.9% cancelled
- Tuesday74%0.0% cancelled
- Wednesday80%0.0% cancelled
- Thursday80%0.0% cancelled
- Friday61%0.0% cancelled
- Saturday82%0.0% cancelled
- Sunday65%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 aircraft40%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion19%
- Security8%
- Extreme weather1%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
SIT to SEA: common questions
- How often are SIT to SEA flights on time?
- 74% 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 Sitka to Seattle cancelled?
- 0.8% of scheduled flights were cancelled (2 of 244).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 55 min behind schedule on average, and 8.3% of flights were an hour or more late.
- How long is taxi time at SIT?
- Flights on this route spent 11 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SEA to SIT — 72% on time
More flights from Sitka
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SIT → SEA, nonstop flights by US airlines that report to the DOT. How we calculate this.