AirAdvisor

Data: AirAdvisor flight tracker, OAG (200M+ records), Spire Aviation. 8–15 May 2026.

#FlightFailFriday data is in, and BA passengers, you need to see this. Nearly 1 in every 17 BA flights ran late, against roughly 1 in 19 for AA. That makes BA the worst-performing major airline globally for delays this week.

"Extraordinary circumstances." Airlines use that phrase to avoid paying you. Staff shortage, overdue maintenance, crew no-show .... non of these are extraordinary - What did your airline call it?

Three EU airlines made both lists this week. Cancellations. Long delays. Same airlines. Same seven days. #FlightFailFriday #AirAdvisor #FlightDelay #CancelledFlight

See the full ranking: airadvisor.com/en-us/worst-us…

LaGuardia has the highest flight delay rate in the US — 11.08%. More than 1 in 9 flights runs 60+ minutes late. But it's only #6 overall. Here's the full top 10 worst US airports for long delays, based on AirAdvisor's 2025 data. 🧵

1. Palm Beach (PBI) — 10.28%, avg 140 min 2. Fort Myers (RSW) — 8.88%, avg 147 min 3. Philadelphia (PHL) — 9.5%, avg 142 min 4. O'Hare (ORD) — 10.95%, avg 136 min 5. Dallas Fort Worth (DFW) — 10.06%, avg 137 min

Accepting a voucher before checking your rights can void your cash entitlement entirely. Before you accept anything after a disruption — check what the law says you are owed. airadvisor.com

Airlines save millions every year because passengers accept £10 vouchers instead of claiming the £220–£520 they are legally owed. Here is the rule most people miss. 🧵

Under UK261 and EU261, if your flight arrived 3+ hours late and the airline was at fault, you are entitled to cash compensation — not a travel credit. The two are not the same thing.

Your flight was delayed. The airline owes you up to £520 (€600). Most passengers never claim it. Here's how the amounts break down 👇 AirAdvisor.com

Angelica booked Chicago to Rome on ITA Airways. Technical issue. Cancelled. She and her elderly parents waited 26 hours. Arrived 2 days late. Lost an entire day in Rome. She came to AirAdvisor. She got €600. Check your eligibility. AirAdvisor.com

Learn more about your rights and entitlements: airadvisor.com

This week's 10 most disrupted routes globally, and 9 of 10 run through Chicago O'Hare or Dallas Fort Worth. Kansas City → Chicago O'Hare — 1 in 6 delayed St Louis → Chicago O'Hare — 1 in 7 Chicago O'Hare → St Louis — 1 in 7. (Check comments)

Houston → Dallas Fort Worth — 1 in 6 Dallas Fort Worth → Los Angeles — 1 in 6 Dallas Fort Worth → Oklahoma City — 1 in 5 ← worst of the week Chicago O'Hare → Dallas Fort Worth — 1 in 9

Here's the full list: Kansas City → Chicago O'Hare — 1 in 6 delayed St Louis → Chicago O'Hare — 1 in 7 Chicago O'Hare → St Louis — 1 in 7 Chicago O'Hare → Phoenix — 1 in 7 Dallas Fort Worth → San Antonio — 1 in 5 Dallas Fort Worth → Chicago O'Hare — 1 in 8

If your disrupted flight was part of a transatlantic journey that started in the EU or UK, EU261 or UK261 may also apply — up to €600 or £520 on top of your refund. airadvisor.com

The US air travel system is in chaos today. 4,173 delays. 489 cancellations. DFW just had its worst cancellation day of 2026. Atlanta: 1,199 delays. American Airlines cancelled 209 flights. Delta: 1,093 delays. 🧵

If your US flight is cancelled today, you are entitled to a full cash refund under US DOT rules. Not a voucher. Not credit. Cash back to your card. Airlines will not always volunteer this.

If your KLM flight has been delayed and you missed a connection, check your eligibility. Up to €400 or €600 depending on the route. airadvisor.com

Monica was stranded in Amsterdam. No connection. No summer clothes. KLM's claims website was broken for two weeks. When she called, they told her to use the website. We stepped in. She received €400. This is what we do.