Best Time to Fly LIH to SEA: On-Time Stats by Hour & Airline
Lihue Airport → Seattle/Tacoma International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.8% of Lihue (LIH) to Seattle (SEA) flights arrived on time (1,094 scheduled flights). That is 6.2 points above the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 89.1%, while Alaska Airlines trailed at 81.2%.
August has been the best month (90% on time) and Sunday the weakest day of the week (81%).
1.9% of flights were cancelled, versus 1.8% nationally.
LIH 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 |
|---|---|---|---|---|
| Delta Air Lines | 89.1% | 80 min | 3.3% | 365 |
| Alaska Airlines | 81.2% | 59 min | 1.2% | 729 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LIH to SEA
On-time arrival % by scheduled departure hour (local time), 2,170 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 10am–11am | 89.4% | 0.0% | 161 |
| 11am–12pm | 90.9% | 0.0% | 121 |
| 12pm–1pm | 76.4% | 0.0% | 191 |
| 1pm–2pm | 70.2% | 1.2% | 163 |
| 2pm–3pm | 83.0% | 0.0% | 94 |
| 8pm–9pm | 91.3% | 1.4% | 140 |
| 9pm–10pm | 88.3% | 2.4% | 573 |
| 10pm–11pm | 84.2% | 2.5% | 559 |
| 11pm–12am | 81.7% | 1.8% | 168 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LIH to SEA
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) | 87.5% | +3.0 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.7% | -5.9 pts | 1.1% | 90 |
| Summer peak (Jun 15 - Aug 15) | 85.5% | +1.0 pts | 1.9% | 372 |
| All other days | 84.5% | — | 1.6% | 1,668 |
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).