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Dec 27, 2025

Christmas Day Fog Triggers 1,493 Flight Delays at Heathrow and European Hubs

Christmas Day Fog Triggers 1,493 Flight Delays at Heathrow and European Hubs
Christmas morning brought little festive cheer to airline operations teams: real-time data recorded 1,493 delays and 21 outright cancellations across nine major European airports, with London Heathrow topping the table. Overnight fog reduced spacing between departures, but the bigger pinch-point was a staffing shortfall at French en-route control centres, which forced flow restrictions on traffic entering UK airspace.

British Airways bore the brunt, with short-haul shuttles to Madrid, Rome and Frankfurt held on stand for up to 90 minutes. The early BA716 to Zurich was cancelled outright. Long-haul services escaped the worst thanks to generous contingency in flight plans, yet even flagship BA177 to New York pushed back 47 minutes late.

Christmas Day Fog Triggers 1,493 Flight Delays at Heathrow and European Hubs


For travellers suddenly re-routing through unfamiliar hubs or swapping carriers, last-minute visa or transit-permit questions can add to the stress. VisaHQ’s online platform (https://www.visahq.com/united-kingdom/) offers rapid eligibility checks and electronic applications for hundreds of destinations, so mobility managers can confirm requirements and submit paperwork while flights are still being rebooked.

The storm-after-the-calm effect will be felt on 26–27 December as crews hit maximum duty limits and aircraft go out of synch with maintenance slots. Corporate travel managers should monitor rolling re-protection lists: Heathrow’s night-curfew waiver is unlikely, so evening departures may slip into the following morning. EU261 compensation rules apply once delays exceed three hours – something mobility teams should remind assignees of when reclaiming expenses.

On the positive side, Eurocontrol’s Network Manager has lifted air-traffic flow measures as visibility improves. However, Heathrow slot co-ordination warns that any fresh ATC or weather issue could quickly recreate a backlog because stand availability is already tight with seasonal charter traffic. Advance check-in and lounge dwell time remain the best buffer for travellers.
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