Flew ATH:YUL:ORD:DEN

1. Flew Athens (ATH) to Montreal (YUL). 4,739 mi on United Airlines in 10h, 10m.
2. Flew Montreal (YUL) to Chicago (ORD). 745 mi on United Airlines in 2h, 42m.
3. Flew Chicago (ORD) to Denver (DEN). 885 mi on United Airlines in 2h, 44m.