A nonstop flight from Philadelphia to Las Vegas typically takes about 4 hours and 51 minutes of in-air time (wheels up to wheels down) on average. Including taxiing and gate times, the total gate-to-gate duration is around 5 hours and 19 minutes

. Some sources report similar estimates, with flight times ranging roughly from 4 hours 50 minutes to about 5 hours 25 minutes

. The flight distance is approximately 2,176 to 2,177 miles (about 3,500 km), and the flight direction is generally westward from Philadelphia to Las Vegas

. In summary:

• Average in-air flight time: ~4 hours 51 minutes
• Total gate-to-gate time: ~5 hours 19 minutes
• Distance: ~2,177 miles (3,500 km)

These times can vary slightly depending on the airline, specific flight path, weather, and air traffic conditions.