Decision Analysis for choosing airflight using: 1- Maxi-Max 2- Maxi-Min 3-SAW 4-TOPSIS

2. Evaluation Criteria's
• Price: price of the ticket for two way direction on a
non-stop flight between X and Y.
• Safty: the maintanace of airplanes, statues of them as
well as crew experience to deal with any issues during
the fligh.
• Timming: by the mean of waitting the airplane, how
exact the plane take off according to the given time, as
well as the time for take off such that if it is at night or
the daylıght.
• Service: covering all services provided by he airlines
such as : food, hospitality, assistance and he way they
are dealing with the customers.

3. Evaluation Methods
• Noncompansatory methods:
1. Maxi-Max method.
2. Maxi-Min method.
• Compansatory methods:
1. Simple Additive weighting (SAW).
2. Technique for Order Preference by Similarity to Ideal
Solution (TOPSIS).
• And for the compansatory methods, in according to find
the weighs, ENTROPY method has been used.

4. DATA
Cost Benefit
Price Safty Timming Service
A1 1034 100 95 80
A2 1566 80 90 90
A3 1000 50 65 50
A4 1580 80 95 100

5. Results from Maxi-Max
Normalized Data Maxi-Max
A1 0.390316 0.628695 0.545087 0.486864 0.628695
A2 0.591137 0.502956 0.516398 0.547723 0.591137
A3 0.377482 0.314347 0.372954 0.30429 0.377482
A4 0.596421 0.502956 0.545087 0.608581 0.608581
•The best alternative is A1with the following attributes:
Price Safty Timming Service
A1 A1 1034 100 95 80

6. Results for Maxi-Min
Normalized Data Maxi-Min
A1 0.390316 0.628695 0.545087 0.486864 0.390316
A2 0.591137 0.502956 0.516398 0.547723 0.502956
A3 0.377482 0.314347 0.372954 0.30429 0.30429
A4 0.596421 0.502956 0.545087 0.608581 0.502956
•The best alternatives according to Maxi-Min are :
•A2.
•A4.
With the following attributes:
Price Safty Timming Service
A2 1566 80 90 90
A4 1580 80 95 100

7. Weights by ENTROPY method
Price Safty Timming Service
Ej 0.983205 0.979857 0.992048 0.978777399
dj 0.016795 0.020143 0.007952 0.021222601 0.066112737
wj 0.25404 0.304669 0.120285 0.321006232 1

8. Results By SAW
Data normalized by using Vector normalization
A1 Best Alternative 0.9274
Second
A4 alternative 0.8458
A2 Third alternative 0.8088
A3 Last Alternative 0.6492

9. Results by TOPSIS
Weighted Normalized Ratings
Price Safty Timming Service
A1 0.099156 0.191544 0.06557 0.15629
A2 0.150172 0.153235 0.06211 0.17582
A3 0.095895 0.095772 0.04486 0.09768
A4 0.151515 0.153235 0.06557 0.19536

10. Results By TOPSIS
S* S- C*
A1 0.039207 0.125608 0.76211 Select A1
A2 0.069333 0.098529 0.58696
A3 0.138355 0.055619 0.28674
A4 0.067536 0.115204 0.63043