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I was on a plane just about to push back at Heathrow, and the pilot informed us we'd be delayed 15 minutes due to this failure. In the end it was 10 minutes, an

I was on a plane just about to push back at Heathrow, and the pilot informed us we'd be delayed 15 minutes due to this failure. In the end it was 10 minutes, and we landed only 5 minutes late at my destination. Doesn't appear to have been a big deal, at least for me.

dghughes 9y ago
I wonder if that is due to Heathrow using Time-Based Separation software. https://www.airport-technology.com/news/optimised-runway-tool-improve-efficiency-heathrow/ https://www.airport-technology.com/news/optimised-runway-too...
- hightowk 9y ago
  Technically, Time Based Separation helps only arrivals since it tries to negate the effects of headwinds on final approach, but it does add a lot of resilience to the airport to absorb delays that would normally ripple to departures.
  - dghughes 9y ago
    I'm pretty sure it doesn't I was reading about it and it mentioned even when the pilot can start the engines is calculated. It saves millions of liters of fuel just waiting a few minutes. There is a digital display facing the pilot showing him when he can depart. Even which size aircraft are allowed to depart. It's extremely well organized.
dx034 9y ago
10% reduction probably meant that they tried to keep most flights on time and "strategically" delayed some flights. Makes it worse for some passengers but keeps knock-on effects for transfer passengers under control.