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Flight number guide 8 min23 April 2026

LOT Flight LO4 Delay Compensation: Chicago to Warsaw Claim Guide

LOT Flight LO4 usually refers to the direct Chicago O'Hare (ORD) to Warsaw (WAW) service. If LO4 landed 3 or more hours late, this can still be a strong EU261 case even though the flight starts outside the EU, because the operating carrier is LOT and the route ends in the EU. If you want a quick eligibility check, start on ClaimWinger's delayed flight page.

Quick answer

If LOT Flight LO4 reached Warsaw or your final destination on the same booking 3 or more hours late, EU261 can often mean EUR 600 per passenger. The critical point is that LO4 is operated by LOT, an EU carrier, on a long-haul route from Chicago into the EU.

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Does EU261 apply to LOT Flight LO4 from Chicago to Warsaw?

In the normal case, yes. This is the exact type of route many passengers misunderstand. LO4 departs from a third country, but it lands in Warsaw and is operated by LOT, a Community carrier.

Under EU261, flights from a non-EU airport into the EU can still be covered when the operating carrier is an EU airline. That makes LO4 a much stronger compensation route than a Chicago to Europe flight run by a non-EU airline.

QuestionShort answer
Does EU261 usually cover LO4?Yes. Chicago to Warsaw on LOT is usually within scope.
Typical compensation bandUsually EUR 600 per passenger.
Does late departure alone decide the case?No. The key test is usually the arrival delay.
Can a rerouted LO4 reduce the payout?Yes, sometimes by 50 percent if the replacement arrival fits the legal limits.

When can LO4 delay compensation actually be paid?

The usual legal trigger is arrival at Warsaw or your final destination on the same booking 3 or more hours late. A late pushback from Chicago is not enough by itself.

If LO4 operated late but still reached the final destination with less than a 3-hour delay, fixed EU261 compensation is usually not available. Other rights, like care during the disruption, can still matter.

How much can LOT Flight LO4 pay under EU261?

LO4 is a long-haul Chicago to Warsaw service above the 3,500 km threshold. That usually puts it in the EUR 600 bracket if the delay qualifies and LOT cannot prove extraordinary circumstances.

In some rerouting situations, the airline may reduce that by 50 percent. That is why the final arrival time of a replacement itinerary matters so much.

LO4 and missed connection logic

If LO4 was only one segment on a single booking, the legal delay is often measured at the final destination, not only at Warsaw. That means a late LO4 can support a stronger claim if it caused a missed onward connection inside Europe.

If the onward flight from Warsaw was on a separate ticket, the case is usually weaker under EU261. That distinction between one booking and separate tickets often changes everything.

Delay compensation is not the same as reimbursement or care

Compensation is the fixed EU261 amount. Reimbursement means getting the ticket price back in certain disruption scenarios. Care covers things like meals, communication, and hotel accommodation where required.

If your LO4 problem later turned into a cancellation rather than a pure delay, you can also check ClaimWinger's cancelled flight guide.

How to check what happened to LOT Flight LO4 today

For live operational data, use LOT's official flight status tool and search by LO4 plus your travel date. That is the best place to confirm whether the flight was delayed, operated on time, or later rolled into a cancellation or rerouting issue.

Evidence checklist for a strong delay claim:

  • Boarding pass and booking reference (PNR).
  • All messages from LOT (email, SMS, app push).
  • Screenshots of the actual arrival time from LOT.com or a third-party tracker.
  • Photos of the airport arrivals/departures board.
  • Receipts for meals, hotel, and transport — if LOT failed to provide care.
  • Tickets for any missed onward connection.

FAQ: LOT Flight LO4 delay compensation

What happened to LOT Flight LO4 today?

For live information on LOT Flight LO4 today, use LOT's official Flight Status page and search by flight number plus date. This article explains delay compensation rules, not real-time operational status.

Does EU261 apply to LOT Flight LO4 from Chicago to Warsaw?

Usually yes. LO4 departs from a non-EU airport, but it lands in Warsaw and is operated by LOT, which is a Community carrier. That is exactly the kind of third-country to EU route EU261 can still cover.

How much compensation can LOT Flight LO4 pay?

LO4 is a long-haul Chicago to Warsaw route above 3,500 km, so the standard EU261 amount is usually EUR 600 per passenger if you arrive 3 or more hours late and LOT cannot prove extraordinary circumstances. In some rerouting situations, the airline may reduce that by 50 percent.

Is a late departure from Chicago enough for compensation on LO4?

No. The key legal test is usually the arrival delay at Warsaw or at your final destination on the same booking. A late departure matters only if it translates into an arrival delay of 3 or more hours.

Can a delay on LOT Flight LO4 trigger missed connection compensation?

Yes, if LO4 was part of a single booking and the delay caused you to reach your final destination 3 or more hours late. If your onward journey after Warsaw was on a separate ticket, your EU261 case is usually weaker.

Check your delayed LO4 case

If LOT Flight LO4 was delayed and you want to know whether the case points to EUR 600, a weaker non-qualifying delay, or a missed connection claim at your final destination, the fastest next step is to run the facts through ClaimWinger's delayed flight form.

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