CHESTER, Pa. — While most fans were asleep Wednesday night, Alejandro Bedoya pulled out his phone, shot a video, and uploaded an Instagram story to document the annoyances of MLS road trips for his followers.



Then, as he waited in the cold for a late-arriving bus to pick up the team from the Denver airport following a 4 ½-hour commercial flight, the Philadelphia Union captain pulled over new teammate Borek Dockal, who’s preparing to play his first MLS away game when the Union face the Colorado Rapids on Saturday night. “Hey Borek, how does it feel, MLS travel?”



Like everyone who comes from Europe to North America, Dockal is getting a crash course on some of the more unseemly aspects of a league that is growing in some — but not all — ways. The biggest thing to get used to: the long commercial flights across the country, while flying coach.



“Seats with no leg room, it’s not very nice for us,” Bedoya...