Everyone else at the gate found out from the departures board. I found out forty minutes earlier, from a moving blob on a map.

I fly out of Pearson often enough that I’ve developed a whole personal ritual around it, and part of that ritual, now, is checking the radar before I leave for the airport rather than after I’m already sitting at the gate wondering why nothing’s moving. This particular Thursday, I nearly skipped it because I was running late and the sky over my apartment looked completely unremarkable.
The radar told a different story. There was a compact line of storm cells tracking east, still a good ninety minutes out from the airport, but moving with enough speed and consistency that the timing lined up almost exactly with my scheduled departure window. Nothing about the view from my window suggested that. The map did.
I did the thing I never do, which is call the airline before leaving home instead of after arriving stressed. Sure enough, ground stops were already being discussed for that window — not announced yet, just discussed, the kind of thing that shows up as a quiet gate change and a lot of confused passengers before it shows up as an official delay. I pushed my ride to the airport back by forty minutes, avoided sitting in an unmoving security line during the actual worst of it, and walked straight into a terminal that was, by the time I arrived, dealing with exactly the ground delay the radar had been quietly warning me about the whole time.
The gate agent, when I asked, confirmed the delay had already rippled through three connecting flights by then. Mine wasn’t one of them, not because I got lucky, but because I’d effectively watched the problem arrive before it did.
I’ve told this story to approximately everyone I know who travels for work, mostly because “check the radar before you leave, not after you’re already annoyed at the gate” is such a small habit change for how much stress it saves. If you’ve got a colleague who’s forever stuck refreshing a departures board wondering what’s going on, do them a favor and send this their way — or better, just get them checking the radar themselves before their next trip out — wind is the specific thing airports watch closest, if you want to know what’s actually behind those ground stops.