UA8177 TorontoYYZ DetroitDTW
UA8177 by United Airlines flies from Toronto (YYZ) to Detroit (DTW).
scheduled from YYZ
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YYZ and DTW are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at YYZ
ForecastWed 4 Nov, local date
- 86% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at DTW
ForecastWed 4 Nov, local date
- 97% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA8177 actually runs
Pro Flight Search has tracked every published board update for UA8177 across the YYZ and DTW boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at YYZ and DTW.
The verdict above is that record speaking, so it reflects how UA8177 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA8177? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: UA8177 Toronto to Detroit on-time performance, measured from the YYZ and DTW airport boards.
https://proflightsearch.com/flight/UA8177