Robuta

https://aviationweek.com/air-transport/airports-networks/edmonton-international-eyes-ulccs-long-haul-flights
YEG will see Condor Airlines launch service to long-sought destination Frankfurt in May 2023.
long haul flightsaviation week networkedmonton internationaleyesulccs
https://aviationweek.com/air-transport/growing-ulccs-challenge-southwest-yields
Southwest Airlines will slow capacity growth in 2017 to combat lower yields due to increased competition from U.S.-based ultra-LCCs.
aviation week networkgrowingulccschallengesouthwest