Fisk Arrival Corridor Analytics
Every aircraft that flew the published VFR corridor into Oshkosh, checked against the book: 1,800 feet and 90 knots, single file, over Ripon and up the railroad tracks to Fisk.
← Full AirVenture timelapseFive checkpoints, one railroad track.
Inbound VFR traffic funnels through Endeavor Bridge, Puckaway Lake and Green Lake, then joins the railroad tracks at Ripon for the final run to Fisk — the point where Fisk approach takes over on the radio. Distances are measured along that published route, not straight-line.
Two speeds, one railroad track.
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Are pilots flying the published profile?
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Speed at Fisk
Altitude at Fisk
Where pilots slow down.
Median value at each point along the route, with the middle 50% of traffic shaded. If a slowdown is going to appear anywhere, this is where it would show up.
Speed profile
Altitude profile
Slow airplanes compress the line behind them.
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Published minimum spacing is 0.5nm in-trail. Each point is one aircraft's gap to whoever crossed Fisk just before it, plotted against that lead aircraft's own speed. Chart is capped at 2nm to keep the tight, meaningful spacing visible — a handful of larger gaps aren't shown.
Follow one aircraft through the line.
Search a tail number, or try one of these tight spots, then scrub the slider to watch the gap to the aircraft ahead and behind change from Endeavor Bridge to Fisk. Click any dot on the map to show or hide its type, speed, and altitude.
Speed by type, checkpoint by checkpoint.
Average speed (with the min–max range and sample count) at Green Lake, Ripon, and Fisk for every type with at least 5 recorded Fisk crossings — ranked fastest to slowest at Fisk. Search or page through all of them below.