LA3421 Porto AlegrePOA São PauloGRU · 17:55
LA3421 by LATAM Airlines flies from Porto Alegre (POA) to São Paulo (GRU) for the Tue, Oct 27 departure.
arrival expected at GRU · on schedule
board checked 407m ago · checking again in 45s
The route today
live boardsTomorrow at São Paulo
ForecastThu 29 Oct, local date
- 40% chance of thunder
- 97% chance of rain
- Chance a departure leaves 60+ min late
- 7.4%usually 4.8%
Weather behind it: 40% chance of thunder and 97% chance of rain at São Paulo
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 240 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
How LA3421 actually runs
Pro Flight Search has tracked every published board update for LA3421 across the POA and GRU boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at POA and GRU.
The verdict above is that record speaking, so it reflects how LA3421 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around LA3421? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — LA3421 Porto Alegre to São Paulo on-time performance, measured from the POA and GRU airport boards.
https://proflightsearch.com/flight/LA3421
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