Question: Part A What is the probability that a randomly chosen flight arrives on time? Part B Overall, which carrier has the highest probability of arriving

Part A What is the probability that a randomly chosen flight arrives on time?

Part B Overall, which carrier has the highest probability of arriving on time?

Part C Given that a randomly chosen flight arrives on time, what is the probability that it arrives in Philadelphia (PHL)?

Part D Given that the carrier is Hawaiian Airlines (HA), what is the probability that a randomly chosen flight arrives on time?

Part E If you're a frequent flyer who travels to many different airports, and you have a choice between SkyWest Airlines (OO) and Southwest Airlines (WN) for all your flights, which carrier should you choose if your primary concern is arriving on time?

Part A What is the probability that a randomly chosen flight arriveson time? Part B Overall, which carrier has the highest probability ofarriving on time? Part C Given that a randomly chosen flight arriveson time, what is the probability that it arrives in Philadelphia (PHL)?

ARRIVAL AIRPORT* SAN SEA SFO SLC TPA CARRIER* # OF % ON # OF % ON # OF % ON # OF % ON # OF ARR. % ON TIME ARR. TIME ARR. TIME ARR. TIME ARR. TIME AA 384 79.9 297 78.8 800 79.0 145 76.6 481 88.6 AS 336 90.8 3271 89.9 282 80.5 H/ H/ B6 78 80.8 137 86.1 313 83.4 116 83.6 355 81.7 DL 431 87.9 628 92.2 576 84.5 2183 90.8 822 90.0 EV H/ H/ H/ 24 54.2 128 86.7 F9 104 59.6 126 73.0 139 70.5 110 67.3 29 79.3 FL H/ 29 89.7 66 81.8 H/ 596 91.6 HA 29 69.0 58 70.7 29 72.4 H/ H/ MQ 293 91.1 H/ H/ 199 87.4 H/ OO 573 86.0 516 85.9 4171 76.0 4650 89.3 H/ UA 730 82.9 756 81.2 3549 81.8 114 80.7 556 83.5 US 276 89.5 204 87.7 347 81.0 145 92.4 549 87.1 VX 107 94.4 208 93.3 1217 89.4 H/ H/ WN 2508 89.6 778 84.6 1174 81.4 974 87.1 2020 90.8 YV 29 96.6 H/ H/ H/ H/ TOTAL 5878 87.2 7008 87.3 12663 80.4 8660 88.7 5536 88.7ARRIVAL AIRPORT* ATL BOS BWI CLT DCA DEN DFW DTW CARRIER* # OF % ON # OF % ON # OF % ON # OF % ON # OF % ON ARR. TIME # OF % ON ARR. # OF TIME % ON ARR. # OF TIME ARR. % ON TIME ARR. TIME ARR. TIME ARR. TIME ARR. TIME AA 421 86.0 809 83.4 206 90.3 132 84.8 737 88.5 401 81.8 12082 88.8 195 84.6 AS 29 96.6 58 89.7 H/ H/ 87 96.6 87 85.1 58 86.2 H/ B6 H/ 2477 86.8 130 87.7 130 87.7 252 87.3 31 79.0 H/ H/ DL 14678 89.4 990 90.7 494 91.9 338 93.2 693 91.9 499 84.4 351 87.5 3364 91.4 EV 8042 83.2 41 80.5 230 83.5 378 73.3 254 79.9 1744 78.4 244 76.6 1251 84.7 F9 69 66.7 28 85.7 H/ H/ 112 85.7 2808 73.9 127 78.7 54 68.5 FL 4903 91.1 477 91.6 1088 92.3 167 93.4 344 91.9 98 88.8 H/ 158 89.9 HA H/ H/ H/ H/ H/ H/ H/ H/ MQ 410 82.0 H/ 137 84.7 419 84.5 668 83.1 192 76.0 6677 82.4 332 83.7 OO 201 82.1 H/ H/ 26 80.8 25 88.0 3836 82.5 318 86.5 187 85.0 UA 110 85.5 925 88.4 265 88.7 56 92.9 530 86.8 3759 85.4 343 76.1 69 87.0 US 434 88.9 1519 91.2 365 91.2 6928 90.8 1650 89.0 346 86.1 499 86.8 260 89.6 VX H/ 114 98.2 H/ H/ H/ H/ 168 95.8 H/ WN 266 89.8 578 88.1 4763 92.5 H/ H/ 4326 85.5 H/ 414 85.3 YV 194 86.1 H/ H/ 2102 89.3 H/ H/ 95 83.2 49 87.8 TOTAL 29757 87.7 8016 88.5 7678 91.7 10676 89.7 5352 88.1 18177 82.1 20962 86.3 6333 88.5ARRIVAL AIRPORT" MDW PDX PHL PHX #OF $60!! #OF %ON #OF %ON #OF %ON ARR. TIME . . ARR. TIME ARR. 11ME ARR. TIME HI . . . 108 75.9 300 88.7 445 79.3 AA As HI 29 79.3 29 79.3 119 69.1 737 91.6 HI 234 94.4 _183 HI HI HI 141 61.6 67 65.1 HI 76 63.3 91.0 599 91.2 3610 90.2 394 66.1 300 91.0 492 90.0 563 66.1 \"166 HI 211 69.1 326 60.5 4616 60.6 HI 70 62.9 24 63.3 75.4 HI 91 74.7 4 0.0 106 71.3 26 65.4 137 55.5 93.2 26 60.6 229 90.0 HI HI 201 69.1 66 64.9 \" HI HI HI HI 29 62.6 HI 29 51.7 .1\" HI 1214 67 2 265 76 5 6150 65 0 141 63.0 116 91.4 n HI HI 1664 66.6 2025 62.0 646 66.4 HI 1079 91.6 HI 3711 64.3 199 79.9 4623 62.2 447 63.2 339 65.6 604 60.3 \" HI 263 63.4 269 69.6 561 67.0 146 91.2 3536 69.1 4667 90.0 HI HI \" 69.5 HI 452 67.6 4746 69.6 HI 73 90.4 64.6 1566 93.6 TOTAL 9328 86.9 89.5 6535 88.1 7797 . . 3741 87.7 38.4 14614 39.2 ARRIVAL AIRPORT* EWR FLL IAD IAH JFK LAS LAX LGA CARRIER* # OF % ON # OF % ON # OF % ON # OF % ON # OF % ON ARR. # OF TIME % ON ARR. TIME # OF ARR. % ON # OF TIME % ON ARR. TIME ARR. TIME ARR. TIME ARR. TIME ARR. TIME AA 252 76.2 413 85.7 281 89.0 284 79.2 1125 87.5 694 81.8 2316 82.9 1223 88.7 AS 58 82.8 H/ H/ 29 62.1 H/ 328 96.0 420 95.0 B6 H/ 511 75.7 1305 81.2 302 86.4 H/ 3295 86.7 310 81.0 195 82.6 290 79.3 DL 373 85.0 868 90.9 201 91.5 140 86.4 1372 92.8 890 89.0 1388 87.5 1849 EV 88.8 2941 74.9 25 76.0 1608 83.1 5410 73.1 116 81.0 H/ H/ 116 81.0 F9 H/ 58 70.7 H/ H/ H/ 182 69.2 130 63.8 62 66.1 FL H/ 435 90.1 101 95.0 H/ H/ 126 90.5 140 79.3 551 87.5 HA H/ H/ H/ H/ H/ 79 78.5 58 70.7 H/ MQ 226 77.0 H/ H/ 199 69.8 551 91.8 H/ 1757 91.9 1334 OO 90.3 H/ H/ 144 86.8 1399 80.3 H/ 620 82.4 4026 85.6 H/ UA 3592 85.6 494 80.2 1782 89.2 5136 82.7 332 92.2 968 82.4 2340 81.9 716 84.6 US 315 80.6 542 86.0 H/ 401 80.5 174 90.8 592 87.3 398 85.9 VX 1074 90.7 H/ 161 86.3 169 94.7 H/ 348 94.5 219 95.4 881 91.5 WN H/ 510 78.4 1428 89.6 207 91.3 H/ H/ 5672 90.4 2848 87.0 223 YV 84.8 50 80.0 H/ 841 89.9 H/ H/ 2 100.0 27 88.9 77 85.7 TOTAL 8828 80.3 5729 86.2 5636 87.8 12998 78.1 7313 89.0 10682 87.9 16924 86.0 7515 88.0

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