United Airlines UA3525 On Time ORD Chicago → YYZ Toronto 1h 52m 701km / 432mi 23. May 2025 DEPARTURE 16:43 CDT 21:43 UTC 0 minutes TERMINAL: 1 GATE: C8 ARRIVAL 19:35 EDT 23:35 UTC -1 minutes TERMINAL: 1 GATE: F64A AIRLINE United Airlines UA / UAL FREQUENCY 6x per week DISTANCE 701km FLIGHTS/WEEK 126 PUNCTUALITY 81% CO2 EMISSIONS Economy 170kg