SWA4840
- Flight number
- SWA4840
- Airline
- Southwest Airlines (SWA)
- Route
- Dallas Love Field (DAL/KDAL) → Seattle–Tacoma International Airport (SEA/KSEA)
- Observed take-off
- Observed landing
- Aircraft
- N8791D · B38M
- Positions recorded
- 4139
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.