# Around half of the airlines flying from Heathrow were back online in some form by Sunday, and British Airways has been…
*Canonical page:* https://truthscore.com/claim/around-half-of-the-airlines-flying-from-heathrow-were-back-online-in--906ba1ec
*Numbers under lens:* **Evidence-weighted** (`log-odds@1`)
*Machine twins:* https://truthscore.com/claim/around-half-of-the-airlines-flying-from-heathrow-were-back-online-in--906ba1ec.md · JSON at https://truthscore.com/api/v1
Around half of the airlines flying from Heathrow were back online in some form by Sunday, and British Airways has been using a back‑up system since Saturday.

## Voices

*Counted, never weighed.*

- [BBC](https://truthscore.com/entity/4dc82e91) — independent

## Sources

- [Heathrow cyber-attack: Airports warn of second day of disruption](https://truthscore.com/source/8d178051)