The first wave of dense fog of the season just slammed Bengaluru’s KIA early Thursday. 48 flights affected, delays up to 69 minutes, two diversions—one to Chennai, one to Kochi. This is the Radiation Fog season, November to February, 3 AM to 8:30 AM. Passengers, heads up. We’ve got the latest on the forecast and the ongoing disruption.
It’s the first real spell. November 27. Dense fog just dropped on the Kempegowda International Airport. Early morning hours. Total chaos.
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The numbers are out: 48 flights affected. That’s a lot of metal sitting still. It all started around 4:44 AM, because the fog had descended.
The thing is, delays were all over the map. Airport officials confirmed it. They saw a max delay of 69 minutes—nearly an hour and a half just sitting there—and a minimum delay of, what, one minute? That uneven rhythm. It just shows how tricky it is to manage when the visibility drops.
And then diversions followed. Two of them. One Air India Express flight coming in from Mangaluru couldn’t land, right? So it got pushed to Chennai. Another one, an Air India plane coming all the way from Delhi, couldn’t make it either. It was sent to Kochi.
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This fog, they call it radiation fog. It’s not just a fluke event. This is the official season for it. It’s anticipated—every year, November to February. Those are the four months. And the window is tight: 3 a.m. to 8:30 a.m. That’s when the ground cools fast and the air just hits that dew point. That’s what draws people there—the predictability of the timing. But it still shuts down operations.
The forecast for the city and surrounding areas? It’s generally cloudy. The IMD is predicting mist, very likely, during the early morning hours, those too. The temperature will be around $27^\circ\text{C}$ maximum and $17^\circ\text{C}$ minimum.
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