As the months tick by, more and more states are legalizing cannabis. In fact, all of the airlines operating a flight today with the flight number 420 have either an origin or destination (or both) that have legalized marijuana, either recreationally or medicinally.
Vox has a fantastic explanation of the 4/20 holiday. In case you were wondering, these are the five airlines with 420 flight numbers on 4/20 — with a link to track their high-flying progress.
- United Airlines 420: Los Angeles to San Francisco
- American Airlines 420: Phoenix to San Francisco
- Southwest Airlines 420: Philadelphia to Orlando
- Frontier Airlines 420: Denver to Atlanta
- Air Canada 420: Toronto to Montreal