Some Kingfisher flights got delayed due to a problem in the server of Kingfisher Airlines at the IGI Airport, in Delhi on Thursday evening. The external communication link supported by SITA, has failed for just 10 minutes. So, boarding passes have to be issued manually, till the time it could be restored. Some flights are delayed up to 30 minutes, an airline spokesman said.

The problem struck around 6 pm, peak traffic time at the airport, according to sources.