Lihue, Kauai (LIH) to Seattle (SEA) flights
Alaska Airlines, Delta Air Lines fly nonstop from Lihue Airport to Seattle-Tacoma International Airport, with about 21 flights a week in July 2026. The 2,700-mile flight takes about 5h 37m gate to gate.
- Distance
- 2,700 mi · 4,345 km
- Flight time
- 5h 37m
- Airlines
- 2
- Seats filled
- 83%
Airlines flying LIH to SEA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Alaska Airlines | 14 | Boeing 737-800, Boeing 737 MAX 8, Boeing 737 MAX 9 | 96,549 | 5h 39m |
| Delta Air Lines | 7 | Airbus A321, Boeing 757-200 | 57,107 | 5h 33m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LIH to SEA flight schedule
3 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 12:31pm and the last at 10:28pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AS 234Alaska Airlines | 12:31pm | 9:21pm | 31 | 80% |
| DL 375Delta Air Lines | 9:55pm | 6:40am | 31 | 88% |
| AS 213Alaska Airlines | 10:28pm | 7:12am | 31 | 82% |
Is LIH to SEA on time?
From September 2025 to August 2026, 84% of 1,094 flights arrived within 15 minutes of schedule and 2.1% were cancelled. Flights leaving around 11am were the most punctual (92%), those around 12pm the least (76%). Most delay time was caused by late-arriving aircraft (56%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 729 | 81% | 12 min | 1.5% |
| Delta Air Lines | 365 | 88% | 10 min | 3.3% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 10am to 11am | 91 | 91% | |
| 11am to 12pm | 59 | 92% | |
| 12pm to 1pm | 146 | 76% | |
| 1pm to 2pm | 53 | 68% | |
| 8pm to 9pm | 61 | 92% | |
| 9pm to 10pm | 282 | 88% | |
| 10pm to 11pm | 296 | 81% | |
| 11pm to 12am | 90 | 79% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 93 | 14,581 | |
| September 2025 | 89 | 11,517 | |
| October 2025 | 91 | 12,817 | |
| November 2025 | 88 | 11,388 | |
| December 2025 | 88 | 11,698 | |
| January 2026 | 90 | 12,655 | |
| February 2026 | 83 | 12,163 | |
| March 2026 | 90 | 13,872 | |
| April 2026 | 90 | 14,021 | |
| May 2026 | 91 | 13,416 | |
| June 2026 | 90 | 12,687 | |
| July 2026 | 93 | 12,841 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.