Route Reliability
Sitka → Seattle
SIT–SEA · 861 miles · Sitka Rocky Gutierrez Airport to Seattle–Tacoma International Airport
65
Usually Fine
WanderNerd Reliability Score
- 64%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 0.8%
- Cancelled
- 244
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 64% of the time across 244 flights. No comparison to make.
What the data says
Morning flights do better here.
SIT–SEA flights departing between 6–9 AM arrived on time 78% of the time, versus 55% between 12–3 PM.
Friday is doing you no favors.
SIT–SEA flights arrived on time 79% of the time on Saturdays and just 56% on Fridays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon56%(32 flights)
- Tue71%(34 flights)
- Wed57%(35 flights)
- Thu69%(35 flights)
- Fri56%(34 flights)
- Sat79%(34 flights)
- Sun61%(36 flights)
- 6–9 AM78%(97 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM55%(142 flights)
94%
May
Jun 63% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 59 |
| July 2025 | 62% | 61 |
| August 2025 | 44% | 50 |
| September 2025 | 67% | 30 |
| May 2026 | 94% | 36 |
Keep nerding
Based on 244 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.