Sandego.net – Passengers using major British airports faced a second day of uncertainty on Wednesday as airlines worked through the effects of an air traffic control problem that led to widespread cancellations and lengthy delays.

Heathrow, Gatwick and Stansted in London were among the airports affected, while Manchester also experienced disruption. Services had begun to resume, but airlines continued to adjust schedules, move aircraft and reunite crews with planes after the earlier breakdown disrupted operations across the network.…