Best Time to Fly SEA to LIH: On-Time Stats by Hour & Airline
Seattle/Tacoma International → Lihue Airport
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.1% of Seattle (SEA) to Lihue (LIH) flights arrived on time (1,094 scheduled flights). That is 4.5 points below the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 75.8% on time and Alaska Airlines was last with 71.8%.
Over 24 months, Thursday was the most reliable day (78% on time) and March the worst month (66%).
The cancellation rate was 0.7% (US average 1.8%).
SEA to LIH 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 | 75.8% | 69 min | 1.6% | 365 |
| Alaska Airlines | 71.8% | 50 min | 0.3% | 729 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SEA to LIH
On-time arrival % by scheduled departure hour (local time), 2,170 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 81.9% | 0.0% | 245 |
| 9am–10am | 73.7% | 0.0% | 115 |
| 10am–11am | 74.6% | 0.0% | 187 |
| 11am–12pm | 64.8% | 0.6% | 178 |
| 12pm–1pm | Limited data | 5 | |
| 1pm–2pm | 76.3% | 2.6% | 78 |
| 2pm–3pm | 78.3% | 3.2% | 95 |
| 3pm–4pm | 80.0% | 0.6% | 494 |
| 4pm–5pm | 79.7% | 0.0% | 64 |
| 5pm–6pm | 77.5% | 0.4% | 248 |
| 6pm–7pm | 74.3% | 0.7% | 461 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SEA to LIH
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% | +9.9 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 67.8% | -9.8 pts | 0.0% | 90 |
| Summer peak (Jun 15 - Aug 15) | 72.2% | -5.5 pts | 0.5% | 372 |
| All other days | 77.6% | — | 0.7% | 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).