The Progress 96 cargo spacecraft launches and docks with the International Space Station on September 16, 2026

Question

Six frontier AI models put this at 13% by 25 Sept 2026. Full reasoning from every model.

WillHappen.ai · Accepted Answer

13% — the median of 6 frontier models, resolving by 2026-09-25.

Answer

Gemini (Google): 4% — Schedules rarely hold to an exact date, and standard Progress flight profiles dock two days post-launch rather than same-day. Roscosmos cargo manifests routinely slip by weeks due to pad turnaround, vehicle integration, and ISS traffic congestion. Even on an on-time launch, Progress missions frequently fly 34-orbit two-day rendezvous schemes rather than same-day ultra-fast tracks. A confirmed simultaneous launch and docking within UTC September 16 requires flawless execution of an uncommon flight profile.

Answer

Claude (Anthropic): 8% — Whether Progress 96 actually launched/docked precisely on Sept 16, not a later slipped date, is the crux. Roscosmos has a strong track record of Progress launches but reschedules (like the Sept 9→16 shift) are common and further slips often occur. Today's date is Sept 18, so if it launched exactly on the 16th this would likely already be confirmed news, and absence of that confirmation suggests another delay. Docking typically occurs within hours to days after launch on the fast-track profile, so a Sept 16 launch would likely already show a Sept 16 or 18 docking, but no…

Answer

GPT (OpenAI): 18% — With September 16 already past, literal resolution requires evidence that both events occurred that day. Roscosmos and ISS mission logs must show a Soyuz launch and Progress docking on September 16, not merely a scheduled target. ISS cargo flights often slip days or weeks for vehicle, range, or station-traffic reasons; the move from September 9 is adverse. Confirmed Roscosmos telemetry or NASA station-status reporting dated September 16 would sharply raise this estimate.

Answer

Grok (xAI): 8% — Exact-day launch+dock after one slip is rare once the calendar date has already passed. Roscosmos already moved Progress 96 from 9 to 16 Sep; further weather/tech holds at Baikonur are the norm. Historical Progress/Soyuz exact-date hit rate after a slip is ~25 %; most fly 1–4 days later. No public confirmation by 18 Sep that the vehicle left the pad on the 16th, so the conjunction did not occur.

Answer

DeepSeek (DeepSeek): 92% — Progress 96 already launched and docked on Sept 16, 2026, per Roscosmos; only a date discrepancy could flip this. Roscosmos confirmed the Sept 16 launch and ISS docking occurred as scheduled, so the event is already in the past. The only risk is a mismatch between the statement's date and the actual confirmed date, which is unlikely given the explicit target. Base rate for Progress missions launching and docking on their targeted date is high, and this one had no reported anomalies.

Answer

Qwen (Alibaba): 91% — Progress missions rarely slip once a launch date is set; the question is whether Sept 16 already passed successfully. Today is Sept 18, meaning Sept 16 has already passed; if the launch and docking occurred on that date, it resolves YES. Progress cargo missions have a >95% on-time launch rate once a firm date is announced; Roscosmos rarely delays at the last moment. The main risk is that a scrub or anomaly pushed it off Sept 16, but Progress 96 had already been rescheduled once, suggesting the new date was chosen carefully.

The Progress 96 cargo spacecraft launches and docks with the International Space Station on September 16, 2026.

What each one said

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