Senator Hubert H. Humphrey, the Democratic Vice-Presidential nominee, will pay a campaign visit to Boston today.

Humphrey's campaign plane will touch down at Logan Airport at 6:30 p.m., two hours later than originally scheduled. Humphrey has cancelled several speaking engagements to attend the funeral of former President Herbert Hoover.

Airport Buses

The Harvard-Radcliffe Young Democrats plan to bus students to the airport to welcome the candidate, whose itinerary also includes a speech at a Boston Arena rally at 8 p.m.