Aircraft performance

Observed vertical-rate profile by ICAO aircraft type.

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B738

147,812 observations · updated 2026-08-28 03:49 UTC

Climb

MinimumAverageMaximum
0 1,000 2,000 3,000 4,000 5k 10k 20k 30k 40k 45k Vertical rate (ft/min) Altitude (ft) 0–5,000 ft · Min 1,258 ft/min · 1,792 samples 0–5,000 ft · Avg 1,947.0 ft/min · 1,792 samples 0–5,000 ft · Max 2,551 ft/min · 1,792 samples 5,000–10,000 ft · Min 1,712 ft/min · 2,505 samples 5,000–10,000 ft · Avg 2,404.0 ft/min · 2,505 samples 5,000–10,000 ft · Max 3,037 ft/min · 2,505 samples 10,000–15,000 ft · Min 1,726 ft/min · 3,365 samples 10,000–15,000 ft · Avg 2,469.0 ft/min · 3,365 samples 10,000–15,000 ft · Max 3,135 ft/min · 3,365 samples 15,000–20,000 ft · Min 1,828 ft/min · 4,061 samples 15,000–20,000 ft · Avg 2,526.0 ft/min · 4,061 samples 15,000–20,000 ft · Max 3,149 ft/min · 4,061 samples 20,000–25,000 ft · Min 1,522 ft/min · 4,967 samples 20,000–25,000 ft · Avg 2,201.0 ft/min · 4,967 samples 20,000–25,000 ft · Max 2,784 ft/min · 4,967 samples 25,000–30,000 ft · Min 1,231 ft/min · 5,782 samples 25,000–30,000 ft · Avg 1,863.0 ft/min · 5,782 samples 25,000–30,000 ft · Max 2,385 ft/min · 5,782 samples 30,000–35,000 ft · Min 1,003 ft/min · 6,353 samples 30,000–35,000 ft · Avg 1,585.0 ft/min · 6,353 samples 30,000–35,000 ft · Max 2,056 ft/min · 6,353 samples 35,000–40,000 ft · Min 687 ft/min · 6,044 samples 35,000–40,000 ft · Avg 1,113.0 ft/min · 6,044 samples 35,000–40,000 ft · Max 1,462 ft/min · 6,044 samples 40,000–45,000 ft · Min 687 ft/min · 110 samples 40,000–45,000 ft · Avg 1,113.0 ft/min · 110 samples 40,000–45,000 ft · Max 1,462 ft/min · 110 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 929 ft/min · 133 samples 40,000–45,000 ft · Avg 1,486.0 ft/min · 133 samples 40,000–45,000 ft · Max 1,967 ft/min · 133 samples 35,000–40,000 ft · Min 929 ft/min · 9,474 samples 35,000–40,000 ft · Avg 1,486.0 ft/min · 9,474 samples 35,000–40,000 ft · Max 1,967 ft/min · 9,474 samples 30,000–35,000 ft · Min 1,262 ft/min · 12,748 samples 30,000–35,000 ft · Avg 2,011.0 ft/min · 12,748 samples 30,000–35,000 ft · Max 2,638 ft/min · 12,748 samples 25,000–30,000 ft · Min 1,504 ft/min · 13,769 samples 25,000–30,000 ft · Avg 2,268.0 ft/min · 13,769 samples 25,000–30,000 ft · Max 2,922 ft/min · 13,769 samples 20,000–25,000 ft · Min 1,554 ft/min · 14,478 samples 20,000–25,000 ft · Avg 2,320.0 ft/min · 14,478 samples 20,000–25,000 ft · Max 2,980 ft/min · 14,478 samples 15,000–20,000 ft · Min 1,541 ft/min · 14,920 samples 15,000–20,000 ft · Avg 2,301.0 ft/min · 14,920 samples 15,000–20,000 ft · Max 2,953 ft/min · 14,920 samples 10,000–15,000 ft · Min 1,212 ft/min · 15,435 samples 10,000–15,000 ft · Avg 1,970.0 ft/min · 15,435 samples 10,000–15,000 ft · Max 2,595 ft/min · 15,435 samples 5,000–10,000 ft · Min 883 ft/min · 15,990 samples 5,000–10,000 ft · Avg 1,529.0 ft/min · 15,990 samples 5,000–10,000 ft · Max 2,021 ft/min · 15,990 samples 0–5,000 ft · Min 767 ft/min · 15,886 samples 0–5,000 ft · Avg 1,270.0 ft/min · 15,886 samples 0–5,000 ft · Max 1,664 ft/min · 15,886 samples

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