On the ONT AV/Geek Facebook page, some of the workers posted that there was an incident with B-18912 on yesterday's landing (1/1/19). ONT being notorious for its winds, it seems the A359 encountered wind-sheer in the last hundred feet before touchdown that it somewhat slammed it on the tarmac. Out of safety, CI cancelled the night departure until 15:30 today using another A359. At the moment, CI is waiting for mechanics to check the aircraft with special equipment before giving the go ahead, and return to service.