Flights were delayed at the Delhi Airport due to VIP movement.

Highlights As many as 90 domestic arrivals delayed or diverted this evening

Delays as long as 6 hours, airlines ask passengers to check flight status

Video shows long queues, passengers tweet in frustration

At least 13 flights were diverted out of the New Delhi airport on Saturday evening due to movement of VIPs, news agency ANI reported quoting officials. At about 9 pm, the Delhi Airport's website showed nearly 90 domestic flights arriving at the Indira Gandhi International Airport had been delayed or diverted. By 10:30 pm, most of the delayed flights had landed.Many flights were delayed for over an hour. One Jet Airways flight from Patna that was scheduled to land at 2:50 pm, eventually arrived at 8:59 pm - a delay of more than six hours.

#WATCH: Current situation at Delhi Airport's Terminal 1, long delays due to VIP movement pic.twitter.com/3g0fDs62Lf - ANI (@ANI) November 4, 2017

Absurd flight delay - over 3 hours for @PMOIndia movement in delhi airport. Never heard of such inefficient management @AshokGajapathi1 - Kalikesh Singh Deo (@DeoKalikesh) November 4, 2017

Queue of 45 minutes at indigo counter delhi airport. Most counters closed. Inefficient unplanned slow @IndiGo6Epic.twitter.com/7O5NtXFYjc - vipul mittra (@vmittra) November 4, 2017

@Delhi_Airport.. You guys should have had more seating arrangements.. More than 50% of travelers including sr. Citizens are standing. - Krheash Raj (@krheash) November 4, 2017

"Due to air traffic congestion consequent to VVIP movement at #Delhi airport, some of our flights are affected," Jet Airways tweeted, requesting passengers to check their flight status before arriving at the airport. SpiceJet also issued a similar advisory. Airlines also warned passengers of congestion at the Mumbai airport.A high frequency of VIP chartered planes landing at Delhi airport caused the delay, sources in the Delhi Air Traffic Control told ANI. A video tweeted by the news agency, showed long queues at the Terminal 1 which handles most domestic arrivals and departures.Many people expressed their frustration on social media.Delhi airport, which has three runways, is the busiest in the country and handles around 1,200 flight movements everyday. During peak time, the airport handles up to 70 flights per hour.