LOL Maybe some cancelled.They did quickly reduce from 21 hours on Friday to 6 by Sunday. A massive improvement. It's hard to tell how to describe these delays, should it be the day they meant to leave or the day they did leave?
Without numbers actually crossing it's hard to know what went on. A news item mentioned more crossing one year in the past but no info on queues.
Passport stamps can't help. Almost a dark age technique of tracking people movement.
