Airport Departure Flowchart for two runways

Airplane Ready to Departure

Start

Taxiway 1 is less crowded from Taxiway 2 ?

Move to Taxiway 1

Yes

Move to Taxiway 2

No

Is there an airplane in service?

Is there an airplane in service?

Yes

Yes

Is the current airplane Type 2 Airplane?

No

No

X>0

Y>0

Is the current airplane Type 2 Airplane?

Is the current airplane a Type 2 Airplane?

Yes

Departure

No

No

Departure

Delay for the value of X

Yes

Delay for the value of Y

Yes

was the previous airplane a Type 2 Airplane?

No

was the previous airplane a Type 2 Airplane?

No

No

No

Yes

Yes

Delay for 1 minute after the plane in service is finished

Departure

Yes

Is the airplane in service Type 1?

Delay for 2 minute after the plane in service is finished

Yes

No

No

X= 2- (Time now - Time of last departure) in minutes

X= 1- (Time now - Time of last departure) in minutes

Y= 1- (Time now - Time of last departure) in minutes

Y= 2- (Time now - Time of last departure) in minutes

Yes