UK: Airport Slots in a Pandemic Era – Time for a Rethink? The ongoing COVID-19 pandemic has had an unprecedented impact on the aviation industry, with a significant reduction in airline and airport operations. As the pandemic has progressed, tried and tested slot allocation mechanisms have quickly come under strain. In particular, the widespread adoption of the 'use it or lose it' / '80/20' rule, which guarantees re-allocation of slots subject to meeting utilisation thresholds, has resulted in a global web of slot waivers being introduced, sometimes on quite different terms. Key question...