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Author Topic: Flight Spacing  (Read 703 times)

Offline ZombieSlayer

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Flight Spacing
« on: July 20, 2014, 09:53:43 PM »
From the 1.3 Changelog:

* Added a new method for calculating / reducing the effect of flight that depart at the same time:

   - If you have several flights to the same destination (ie. same route-pair) departing at the very same time, or very near the same time, they are counted almost like a single flight.

   - The "minimum departure interval" depends on how large the passenger demand of the route is. But rule of thumb is that on lower-demand sectors (less than ~400pax/day) the route departure times should be always at least 60 minutes apart. If the route is more busy the allowed interval drops linearily all the way to 5 minutes. On a 1000 pax/day route you can have the flights depart approx every 35 minutes, and on 4000pax/day route the min. interval is 15 mins between two flights. The interval is calculated so that players can keep decent frequencies during daylight hours.

   - If the flights are too close to each others they are treated basically as a single flight (but with the total amount of seats available of course), so this leads to lower sales for those flights that overlap or nearly overlap on dep. times.

   - But from now on, never make two flights depart to the same destination at the exactly same time.

The spacing that actually works has been a mystery since this feature was added and with demand figures given fluctuating a lot of trial and error is needed to ensure flights do not take a penalty. This is a major PITA when 7 day schedules are involved.

For the bug part of this post: Spacing on several flights, including LAX-ORD and LAX-DTW with newly added flights in GW1, seems to give mixed results. One day it seems ok, the next 20% loads. Has the code changed where each day is treated differently or is the "average" demand still the determination of minimum spacing?

And the feature request part of this post: Please add a flight spacing warning if a planned flight is too close to another flight. Not sure if this is feasible or not, but it would save a lot of stress and frustration.
Co-Founder Elite Worldwide Alliance
CEO PacAir
Designated "Tier 1 Opponent"

Offline Sami

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Re: Flight Spacing
« Reply #1 on: July 20, 2014, 11:26:27 PM »
Unable to investigate without any specific details.. What flights, what times and so forth.

Offline ZombieSlayer

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Re: Flight Spacing
« Reply #2 on: July 21, 2014, 12:47:21 AM »
Crap...didn't think that far ahead....spent the day rescheduling the offending flights  :'( Found 25 minutes works on LAX-ORD and 40 on LAX-DTW. If there is a bug, best place to catch it would be LAX-DTW....~1300 demand should be fine at 35 minutes, but 40 is required. If you can look at historic info, check flight DC427/28 and DC9561/62 as they were at 30 minute spacing before the change. 428 and 9562 would be a perfect test case and the DTW-LAX leg there was spaced at 35 minutes and 427/9561, the LAX-DTW leg, was at 30 minutes.
Co-Founder Elite Worldwide Alliance
CEO PacAir
Designated "Tier 1 Opponent"


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