Best Time to Fly JAC to SEA: On-Time Stats by Hour & Airline
Jackson Hole → Seattle/Tacoma International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 88.6% of Jackson (JAC) to Seattle (SEA) flights arrived on time (203 scheduled flights). That is 10.9 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (89% on time) and February the worst month (71%).
The cancellation rate was 0.5% (US average 1.8%).
JAC to SEA 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 |
|---|---|---|---|---|
| SkyWest Airlines | 88.6% | 76 min | 0.5% | 203 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JAC to SEA
On-time arrival % by scheduled departure hour (local time), 385 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 11am–12pm | 57.9% | 1.8% | 111 |
| 12pm–1pm | 89.9% | 0.7% | 139 |
| 1pm–2pm | 84.4% | 0.0% | 97 |
| 2pm–3pm | Limited data | 4 | |
| 4pm–5pm | Limited data | 20 | |
| 6pm–7pm | Limited data | 14 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JAC to SEA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 26 | ||
| Summer peak (Jun 15 - Aug 15) | 79.5% | +1.2 pts | 0.8% | 124 |
| All other days | 78.3% | — | 0.8% | 235 |
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).