At least 34 flights, zero bombs, and the cost of treating every threat as real

At least 34 flights across Europe were disrupted by bomb threats on Thursday, after seven similar alerts on Tuesday and one on Monday¹. Aircraft from Ryanair, Aer Lingus, Wizz Air, Finnair, easyJet, Aegean, Iberia, Air Serbia and LOT were among those affected; all landed safely and searches found nothing suspicious¹. Heathrow judged a threat “not credible”; Birmingham initiated full processes with emergency services^1,2. Eurocontrol had about 27,400 flights scheduled in Europe that day — the disrupted share was tiny and expensive¹.

Fighter jets escorted aircraft in Italian, Austrian and Bulgarian airspace^1,2. An Aer Lingus Dublin–Rome flight diverted to the Évreux military base in Normandy; passengers waited hours through sniffer-dog checks^1,2. UK transport secretary Heidi Alexander called the wave a “malicious hoax”². Italy’s defence minister, Guido Crosetto, called the pattern “under-threshold warfare”: designed to stay below the attribution line¹. Investigators said publicly there was still no hard evidence of a hostile state behind the alerts^1,2.

Philip Baum, professor of aviation security at Coventry, notes that aviation faces multiple bomb threats every day, but that this week’s feel different because authorities have classified them as specific². The risk he flags is complacency: enough hoaxes, and a real one is harder to hear².

The constructive reading is unglamorous. Diversions, escorts and empty searches are the price of not guessing. Attribution will take longer than a news cycle. Until then, the right boring answer is the one already in force: treat the specific threat as real, clear the cabin, publish that it was empty, and keep the next flight’s checklist unchanged.