Dozens of flights cancelled, delayed at SFO due to construction

SAN FRANCISCO (KGO) -- Expect more flight cancellations and delays at SFO Wednesday because of runway construction.

At least 68 flights are cancelled and 136 were delayed this morning.

RELATED: San Francisco International Airport runway closure: Tips to avoid cancellations and delays

San Francisco International Airport's busiest runway has been closed since Sept. 7 and is expected to remain shut through Sept. 27 for a scheduled repair project. The runway needs a new concrete base because of wear and tear.

Hundreds of flights at SFO have been delayed and cancelled since Saturday.