Best Time to Fly SIT to JNU: On-Time Stats by Hour & Airline
Sitka Rocky Gutierrez → Juneau International
Data through July 2026 · Last updated October 18, 2026
725 flights were scheduled from Sitka (SIT) to Juneau (JNU) in the last 12 months, and 84.9% of those that flew arrived on time, 7.3 points above the US average of 77.6%.
Alaska Airlines was the only reporting airline with regular flights on this route.
July has been the best month (93% on time) and Monday the weakest day of the week (84%).
3.7% of flights were cancelled, versus 1.8% nationally.
SIT to JNU on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlines | 84.9% | 63 min | 3.7% | 725 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SIT to JNU
On-time arrival % by scheduled departure hour (local time), 1,452 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 92.6% | 1.7% | 724 |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | Limited data | 1 | |
| 7pm–8pm | 79.6% | 3.2% | 726 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SIT to JNU
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 76.0% | -9.5 pts | 3.7% | 54 |
| Summer peak (Jun 15 - Aug 15) | 90.5% | +5.0 pts | 1.6% | 248 |
| All other days | 85.5% | — | 2.5% | 1,124 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).