- Southwest Airlines warns that delta Covid variant is hurting bookings, lowers outlookCNBC
- Southwest Airlines warns of a slowdown caused by the delta variantCNBC Television
- 3 major US airlines will not mandate shots for their unvaccinated workersCNN
- As Delta variant weighs on travel, expect every airline to update guidance: AnalystYahoo Finance
- Spike in COVID-19 cases is starting to hurt air travelThe Points Guy
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