Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
|  | 2018 | 2017 | 2016 | 2015 | 2014 |
| --- | --- | --- | --- | --- | --- |
| West Coast | 53% | 59% | 60% | 62% | 66% |
| Pacific Northwest | 11% | 13% | 16% | 19% | 19% |
| Canada | 3% | 4% | 5% | 7% | 8% |
| Alaska | 2% | 3% | 4% | 5% | 4% |
| Midcon | 30% | 21% | 15% | 6% | 2% |
| Mexico | 1% | —% | —% | 1% | 1% |
| Total | 100% | 100% | 100% | 100% | 100% |
| Average Stage Length (miles) | 468 | 422 | 381 | 348 | 339 |
Question:
What is the regional average stage length (miles) in 2018 for Alaska Airline?
Answer:
468