Aircraft performance

Observed vertical-rate profile by ICAO aircraft type.

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B739

14,445 observations · updated 2026-08-28 03:49 UTC

Climb

MinimumAverageMaximum
0 1,000 2,000 3,000 5k 10k 20k 30k 40k Vertical rate (ft/min) Altitude (ft) 0–5,000 ft · Min 1,210 ft/min · 47 samples 0–5,000 ft · Avg 1,789.0 ft/min · 47 samples 0–5,000 ft · Max 2,328 ft/min · 47 samples 5,000–10,000 ft · Min 1,666 ft/min · 105 samples 5,000–10,000 ft · Avg 2,166.0 ft/min · 105 samples 5,000–10,000 ft · Max 2,631 ft/min · 105 samples 10,000–15,000 ft · Min 1,442 ft/min · 194 samples 10,000–15,000 ft · Avg 1,905.0 ft/min · 194 samples 10,000–15,000 ft · Max 2,301 ft/min · 194 samples 15,000–20,000 ft · Min 1,442 ft/min · 246 samples 15,000–20,000 ft · Avg 1,886.0 ft/min · 246 samples 15,000–20,000 ft · Max 2,262 ft/min · 246 samples 20,000–25,000 ft · Min 1,302 ft/min · 316 samples 20,000–25,000 ft · Avg 1,743.0 ft/min · 316 samples 20,000–25,000 ft · Max 2,130 ft/min · 316 samples 25,000–30,000 ft · Min 1,057 ft/min · 421 samples 25,000–30,000 ft · Avg 1,509.0 ft/min · 421 samples 25,000–30,000 ft · Max 1,873 ft/min · 421 samples 30,000–35,000 ft · Min 842 ft/min · 568 samples 30,000–35,000 ft · Avg 1,306.0 ft/min · 568 samples 30,000–35,000 ft · Max 1,674 ft/min · 568 samples 35,000–40,000 ft · Min 776 ft/min · 230 samples 35,000–40,000 ft · Avg 1,128.0 ft/min · 230 samples 35,000–40,000 ft · Max 1,455 ft/min · 230 samples

Descent

MinimumAverageMaximum
0 1,000 2,000 3,000 45k 40k 30k 20k 10k 5k Vertical rate (ft/min) Altitude (ft) 40,000–45,000 ft · Min 901 ft/min · 5 samples 40,000–45,000 ft · Avg 1,250.0 ft/min · 5 samples 40,000–45,000 ft · Max 1,525 ft/min · 5 samples 35,000–40,000 ft · Min 901 ft/min · 353 samples 35,000–40,000 ft · Avg 1,360.0 ft/min · 353 samples 35,000–40,000 ft · Max 1,774 ft/min · 353 samples 30,000–35,000 ft · Min 1,068 ft/min · 1,444 samples 30,000–35,000 ft · Avg 1,775.0 ft/min · 1,444 samples 30,000–35,000 ft · Max 2,370 ft/min · 1,444 samples 25,000–30,000 ft · Min 1,437 ft/min · 1,610 samples 25,000–30,000 ft · Avg 2,193.0 ft/min · 1,610 samples 25,000–30,000 ft · Max 2,841 ft/min · 1,610 samples 20,000–25,000 ft · Min 1,617 ft/min · 1,670 samples 20,000–25,000 ft · Avg 2,353.0 ft/min · 1,670 samples 20,000–25,000 ft · Max 2,998 ft/min · 1,670 samples 15,000–20,000 ft · Min 1,626 ft/min · 1,731 samples 15,000–20,000 ft · Avg 2,334.0 ft/min · 1,731 samples 15,000–20,000 ft · Max 2,945 ft/min · 1,731 samples 10,000–15,000 ft · Min 1,159 ft/min · 1,818 samples 10,000–15,000 ft · Avg 1,909.0 ft/min · 1,818 samples 10,000–15,000 ft · Max 2,530 ft/min · 1,818 samples 5,000–10,000 ft · Min 941 ft/min · 1,878 samples 5,000–10,000 ft · Avg 1,580.0 ft/min · 1,878 samples 5,000–10,000 ft · Max 2,081 ft/min · 1,878 samples 0–5,000 ft · Min 790 ft/min · 1,809 samples 0–5,000 ft · Avg 1,314.0 ft/min · 1,809 samples 0–5,000 ft · Max 1,729 ft/min · 1,809 samples

Values come from the performance table and are shown as positive vertical-rate magnitudes in 5,000-foot altitude bands.