The flight time matters, but it’s all the other bits that can make a trip lengthy and tiring.
A 1-hour flight from London to Paris seems short, but the ride to the airport, the checking-in, the security, the waiting at the gate, the boarding process, the customs and immigration checks on the other side, and the trip to your hotel. All of it adds up.
Measuring our travels, our projects, our plans, or how long it takes to make a nice meal for friends by “flight time” alone is simply forgetting all the other bits.