# British Airways & Amex 25th Anniversary Flight: Cardholder Promo & Booking Issues

_Jul 16 07:46_

Tags: British Airways, IAG, Avios, Amex British Airways cards, American Express, New York, promotion, airline, loyalty program, credit card

American Express and British Airways hosted a 25th-anniversary Avios flight for Amex co-branded cardholders from New York. The booking page crashed due to high traffic, causing errors for members who preregistered

> **Check before acting.** This offer was last reported 114 days ago, on July 16, 2026. Registration deadlines and bonus windows close. We do not track whether this one is still live, so check the program's own page before acting on it.

## Summary

American Express and British Airways announced a 25th-anniversary promotion featuring a dedicated flight to and from New York, available exclusively to cobranded Amex cardholders. The event required eligible cardholders to preregister. When tickets went live, IAG's booking page struggled with traffic, displaying 502, 503, and 504 errors for hours. Amex stated the offer and website are managed by British Airways/IAG Loyalty and directed affected members to email anniversaryflight@iagloyalty.com

## Why it matters

Affects 2 airline programs (British Airways, IAG). Card-issuer angle via American Express.

## Sources cited

- [LoyaltyLobby](https://loyaltylobby.com/2026/07/16/british-airways-amex-25th-anniversary-flight-meltdown-iag-it-strikes-again-website-unreachable?omhide=true) — British Airways & Amex 25th Anniversary Flight Meltdown – IAG IT Strikes Again (Website Unreachable)

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