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In short: a Christmas market weekend is short, so a long delay can cost you a third of the trip. Our analysis of EUROCONTROL data shows winter weather hitting some favourite market cities much harder than others. In December 2025, Prague and Kraków had several times their usual level of weather-related air traffic restrictions. Budapest, Munich and Berlin were barely affected. Amsterdam is busy and delay-prone all year. Weather delays rarely earn compensation, but you are still owed care, and there are simple ways to plan around them.
What the data measures
EUROCONTROL publishes, for every European airport and every day, how long arriving flights were held back by air traffic flow restrictions and why. These restrictions are imposed when an airport cannot take all the planned arrivals: fog, low cloud, snow and de-icing in winter, thunderstorms in summer. Your plane then waits on the ground at the departure airport for a later slot.
This is not every delay. Airline problems (a technical fault, a crew running out of hours, a late incoming aircraft) are not in this data. But it is the best public measure of how hard weather and capacity hit an airport, and that is exactly the risk a December city break runs.
The winter pattern, city by city
The figure below is the average air traffic flow delay per arriving flight, in minutes. It averages across all arrivals, most of which are not delayed at all, so a small-looking number can hide some very bad days.
| Airport | Whole year 2025 | December 2025 | December 2024 | Main cause (2025) |
|---|---|---|---|---|
| Prague | 0.56 | 3.33 | 1.11 | weather (95%) |
| Kraków | 0.81 | 4.34 | 3.68 | weather (85%) |
| Vienna | 0.79 | 0.92 | 0.85 | weather (93%) |
| Munich | 0.42 | 0.34 | 0.13 | weather (77%) |
| Budapest | 0.04 | 0.06 | 0.00 | aerodrome capacity |
| Amsterdam Schiphol | 4.83 | 4.53 | 5.50 | capacity and weather |
What stands out:
- Prague had its worst days of 2025 in the run-up to Christmas. On 19 December 2025 weather restrictions added 5,613 minutes of delay to arrivals, and 21 December added another 3,030. A year earlier, on 29 December 2024, 110 of the 177 flights arriving at Prague were held back.
- Kraków shows the same winter peak two years running. On 13 December 2025, weather restrictions added 3,300 minutes, and on 29 December 2024 more than half the arrivals (54 of 96) were held.
- Vienna has a mild winter by comparison. Its worst days are summer thunderstorms, not December fog.
- Budapest, Munich and Berlin saw almost no winter flow restrictions in either year. If you are torn between markets, the data favours them for a short break.
- Amsterdam runs close to capacity all year. On 6 December 2024 weather restrictions held back 270 of 532 arriving flights. Expect queues in the air as well as on the ground.
How the UK routes performed
The UK Civil Aviation Authority publishes punctuality for every UK route. These 2025 figures cover the whole year, not just December, but they show which routes start from a better base:
| Route (2025) | On time | 3+ hours late | Cancelled |
|---|---|---|---|
| Heathrow – Prague | 79.9% | 0.29% | 0.98% |
| Manchester – Prague | 69.3% | 1.08% | 0.77% |
| Heathrow – Vienna | 81.4% | 0.07% | 0.78% |
| Stansted – Kraków | 65.7% | 0.73% | 0.34% |
| Manchester – Kraków | 60.5% | 1.19% | 0.69% |
| Stansted – Budapest | 73.5% | 0.29% | 0.25% |
| Heathrow – Munich | 77.2% | 0.11% | 1.60% |
| Manchester – Amsterdam | 61.1% | 0.49% | 2.13% |
“On time” here means within 15 minutes of schedule. The 3-hour column matters most for your rights.
Planning a winter city break that survives a delay
- Don’t book the last possible flight. If the last flight of the day is badly delayed, there is no later flight to move you to, so you are more likely to lose an evening or a night. An earlier departure leaves room for a re-booking the same day.
- Avoid the tightest connections. Changing planes in December leaves little margin if the first leg is held for a de-icing queue. If you must connect, book it as one ticket so the airline is responsible for getting you to your destination.
- Build in a buffer on the way home. A Sunday-evening return before a Monday at work is the trip most likely to go wrong. A Monday-morning flight, or an extra night, costs little in winter.
- Pick a hotel near the centre or the airport rail link. If the flight is late, a short transfer saves the evening.
- Check the day’s restrictions if your flight is badly delayed. If an airline later blames the weather, our delay cause checker shows what EUROCONTROL recorded at both airports on that date.
Your rights when the weather strikes
Bad weather is usually an extraordinary circumstance, so the airline does not have to pay fixed compensation for the delay itself. It must still prove that the weather caused your delay. A one-line “adverse weather” reply is not proof. See bad weather and compensation.
Whatever the cause, these still apply under UK261 and EU261:
- Care: meals and drinks once the delay reaches 2 hours on flights up to 1,500 km (most of the routes above) or 3 hours on longer ones such as Manchester–Kraków (1,556 km), and a hotel with transfers if you are stuck overnight. Keep receipts if the airline does not provide it. Flight delay rights.
- Refund: if the delay reaches 5 hours, you can give up the trip and get your money back. Refund rights.
- Cancellations: a refund or a replacement flight, at your choice.
Weather is one of the main reasons people come home with nothing for a ruined weekend. That gap is where AirHelp’s TravelPass membership (called AirHelp+ until November 2026) is designed to help. Trips you add at least 48 hours before departure are covered by flight and luggage insurance, with payouts of up to €400 – an insurance benefit, not airline compensation, so it can pay out even when the delay was caused by weather. The Gold plan also gives lounge access when your flight is delayed by an hour or more. Check the policy terms for what triggers a payout before you rely on it. It makes most sense if you have several trips planned this year, not for a single weekend.
If the delay was not weather – a technical fault, crew shortage or the airline’s own staff on strike – you may be owed compensation for a delay of 3 hours or more: £220 per passenger on most of these routes under UK261 (£350 for Manchester–Kraków), and €250 under EU261 on the way home from the EU (€400 from Kraków to Manchester).
FAQ
Which Christmas market city is least likely to have flight delays?
In EUROCONTROL’s December data for 2024 and 2025, Budapest, Munich and Berlin had almost no weather-related arrival restrictions. Prague and Kraków had the sharpest winter spikes. Past years are a guide, not a forecast.
Will I get compensation if my flight is delayed by fog or snow?
Usually not, because weather is normally an extraordinary circumstance. You are still entitled to meals, a hotel if needed and a refund after 5 hours. The airline must also show that the weather actually caused your delay.
Is a morning or an evening flight better in winter?
There is no single answer: weather restrictions can hit at any time of day. Later flights are more exposed to knock-on delays from earlier in the aircraft’s day, and the last flight leaves no alternative the same day. If possible, avoid the last flight home before an important commitment.
Does travel insurance cover a delayed Christmas market trip?
It depends on the policy – delay cover, where included, often starts only after a long wait, so read your policy wording. TravelPass includes flight and luggage insurance for the trips you add (and worldwide medical insurance on the Platinum plan), but it is not a full trip-cancellation policy – compare the terms with what you already have from your card or insurer.
More articles
- Airline offered a voucher instead of cash? Your rights
- Booked through a travel agent or OTA: who pays compensation?
- Delayed on a business trip: who gets the compensation?
- Connecting flights on separate tickets: what are your rights?
Sources
- Airport arrival ATFM delays (open performance data), 2024–2026 – EUROCONTROL
- UK flight punctuality statistics 2025 – UK Civil Aviation Authority
- Regulation 261/2004 as it applies in the UK, Article 6 (delay) and Article 9 (right to care) – legislation.gov.uk
- Delays – your rights – UK Civil Aviation Authority
We check every rule against the sources above. Spotted an error? Tell us – see our editorial policy.