GRU logged 5,316 flights across seven days from August 11-17, 2025, averaging 759 flights per day and 31.6 per hour around the clock. Arrivals edged out departures, 2,689 to 2,627, with 729 unique aircraft observed. Tuesday the 12th was the busiest single day at 803 movements. Traffic ran from 00:00 to 23:59 local time, though the overnight trough between 02:00 and 04:00 dipped as low as 37 total movements in the 03:00 hour. The 07:00 hour was the busiest of the week at 307 movements, driven heavily by arrivals (191 versus 116 departures). A second arrival surge appeared in the 05:00 and 06:00 hours, when inbound flights outnumbered departures roughly five to one. Departure pressure shifted to later in the day, with the 09:00 and 23:00 hours each logging over 200 outbound flights. The Porto Alegre corridor (POA) was the top route by a wide margin at 228 total movements, followed by Florianópolis (FLN) at 123 and Buenos Aires Aeroparque (AEP) at 122. Rio de Janeiro Galeão (GIG) showed a pronounced asymmetry with 72 arrivals against only 17 departures. Approaches came predominantly from the NNE (828 counted), with SW and WNW the next most common vectors. Departures spread more evenly, led by NE (551) and SW (411). Aircraft from Brazil made up the largest national group at 351, followed by US-registered (100) and Canadian-registered (79) airframes. The highest-altitude flight peaked at 48,525 feet, and the longest leg in the dataset was a 1,485.8 nautical mile arrival from Santiago (SCL) lasting 188 minutes.