Speed Planning Calculator

Speed Planning

Find when to slow down to arrive exactly on time using two speeds.

Departure

Date

Time

Arrival

Date

Time

Passage

Total Distance (nm)

Initial Speed (kts)

Final Speed (kts)

Slow Down At

Total Passage Time--

Time at Initial Speed--

Time at Final Speed--

Distance at Initial Speed--

Distance at Final Speed--

Depart at initial speed, slow to final speed at the indicated time to arrive on schedule. Assumes constant speeds and no set/drift correction.