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Times and Time Zones

All times are in EST time to prevent confusion due to time zone crossing. See the UAL4257 flight status page for this flight to view local times or setup timezone preferences in your user account.


Time Position Orientation Groundspeed Altitude Reporting Facility
EST Latitude Longitude Course Direction KTS MPH feet Rate Location/Type
Sun 12:43:00 PM 26.0773 -99.7858 47° Northeast  Level Estimated
Sun 12:43:33 PM 25.9311 -100.0100 46° Northeast 227 261 9,900  Level Houston Center
Sun 12:44:00 PM 26.1392 -99.6928 53° Northeast  Level FlightAware Approximate
Sun 12:44:35 PM 25.9747 -99.9469 52° Northeast 249 287 11,100  Level Houston Center
Sun 12:45:00 PM 26.2140 -99.6124 46° Northeast  Level Estimated
Sun 12:45:37 PM 26.0242 -99.8706 54° Northeast 279 321 12,500  Level Houston Center
Sun 12:46:00 PM 26.2676 -99.5171 58° Northeast  Level FlightAware Approximate
Sun 12:46:40 PM 26.0808 -99.7958 50° Northeast 301 346 13,500  Level Houston Center
Sun 12:47:00 PM 26.3211 -99.4218 58° Northeast  Level FlightAware Approximate
Sun 12:47:42 PM 26.1414 -99.7139 51° Northeast 323 372 14,500  Level Houston Center
Sun 12:48:00 PM 26.3579 -99.3714 46° Northeast  Level FlightAware Approximate
Sun 12:48:44 PM 26.2161 -99.6078 52° Northeast 347 399 15,700  Level Houston Center
Sun 12:49:00 PM 26.4276 -99.2900 46° Northeast  Level FlightAware Approximate
Sun 12:49:46 PM 26.2806 -99.5175 51° Northeast 361 415 16,700  Level Houston Center
Sun 12:50:48 PM 26.3581 -99.4333 44° Northeast 379 436 17,700 871 Climbing Houston Center
Sun 12:51:50 PM 26.4406 -99.3583 39° Northeast 384 442 18,500 823 Climbing Houston Center
Sun 12:52:52 PM 26.5203 -99.2767 43° Northeast 388 447 19,400 912 Climbing Houston Center
Sun 12:53:55 PM 26.6044 -99.1942 41° Northeast 399 459 20,400 1,056 Climbing Houston Center
Sun 12:54:57 PM 26.7050 -99.0933 42° Northeast 405 466 21,600 1,065 Climbing Houston Center
Sun 12:55:59 PM 26.7906 -99.0097 41° Northeast 409 471 22,600 968 Climbing Houston Center
Sun 12:57:01 PM 26.8769 -98.9225 42° Northeast 419 482 23,600 919 Climbing Houston Center
Sun 12:58:03 PM 26.9633 -98.8364 42° Northeast 418 481 24,500 919 Climbing Houston Center
Sun 12:59:05 PM 27.0500 -98.7497 42° Northeast 419 482 25,500 1,161 Climbing Houston Center
Sun 01:00:07 PM 27.1550 -98.6456 41° Northeast 423 487 26,900 1,296 Climbing Houston Center
Sun 01:01:10 PM 27.2403 -98.5589 42° Northeast 419 482 28,200 1,296 Climbing Houston Center
Sun 01:02:12 PM 27.3244 -98.4744 42° Northeast 411 473 29,600 1,210 Climbing Houston Center
Sun 01:03:14 PM 27.4086 -98.3894 42° Northeast 410 472 30,700 677 Climbing Houston Center
Sun 01:04:16 PM 27.5136 -98.2839 42° Northeast 423 487 31,000 145 Climbing Houston Center
Sun 01:05:18 PM 27.6075 -98.1886 42° Northeast 451 519 31,000  Level Houston Center
Sun 01:06:20 PM 27.7050 -98.0892 42° Northeast 470 541 31,000  Level Houston Center
Sun 01:07:22 PM 27.8125 -97.9803 42° Northeast 478 550 31,000  Level Houston Center
Sun 01:08:25 PM 27.9108 -97.8794 42° Northeast 478 550 31,000  Level Houston Center
Sun 01:09:27 PM 28.0131 -97.7739 42° Northeast 481 554 31,000  Level Houston Center
Sun 01:10:29 PM 28.1142 -97.6706 42° Northeast 480 552 31,000  Level Houston Center
Sun 01:11:31 PM 28.2186 -97.5625 42° Northeast 484 557 31,000  Level Houston Center
Sun 01:12:33 PM 28.3267 -97.4500 42° Northeast 483 556 31,000  Level Houston Center
Sun 01:13:35 PM 28.4261 -97.3464 42° Northeast 485 558 31,000  Level Houston Center
Sun 01:14:37 PM 28.5256 -97.2425 43° Northeast 485 558 31,000  Level Houston Center
Sun 01:15:40 PM 28.6250 -97.1397 42° Northeast 485 558 31,000  Level Houston Center
Sun 01:16:42 PM 28.7239 -97.0367 42° Northeast 484 557 31,000 -387 Level Houston Center
Sun 01:17:44 PM 28.8428 -96.9119 43° Northeast 487 560 30,200 -1,790 Descending Houston Center
Sun 01:18:46 PM 28.9406 -96.8081 43° Northeast 484 557 27,300 -2,806 Descending Houston Center
Sun 01:19:48 PM 29.0417 -96.7022 42° Northeast 496 571 24,400 -2,806 Descending Houston Center
Sun 01:20:50 PM 29.1386 -96.6014 42° Northeast 477 549 21,500 -3,073 Descending Houston Center
Sun 01:21:10 PM 29.1719 -96.5622 46° Northeast 464 534 20,200 -2,903 Descending Houston Center
Sun 01:21:52 PM 29.2281 -96.5050 42° Northeast 449 517 18,500 -2,656 Descending Houston Center
Sun 01:22:11 PM 29.2725 -96.4606 41° Northeast 432 497 17,500 -2,667 Descending Houston Center
Sun 01:22:55 PM 29.3322 -96.3953 44° Northeast 431 496 15,700 -2,459 Descending Houston Center
Sun 01:23:12 PM 29.3592 -96.3672 42° Northeast 421 484 15,000 -2,323 Descending Houston Center
Sun 01:23:57 PM 29.4144 -96.3094 42° Northeast 406 467 13,300 -2,419 Descending Houston Center
Sun 01:24:14 PM 29.4381 -96.2842 43° Northeast 385 443 12,500 -1,355 Descending Houston Center
Sun 01:24:59 PM 29.4875 -96.2297 44° Northeast 378 435 11,900 -492 Descending Houston Center
Sun 01:25:15 PM 29.5072 -96.2094 42° Northeast 338 389 12,000 -97 Climbing Houston Center
Sun 01:26:01 PM 29.5528 -96.1575 45° Northeast 340 391 11,800 -492 Descending Houston Center
Sun 01:26:16 PM 29.5686 -96.1161 66° East 341 392 11,500 -871 Descending Houston Center
Sun 01:27:03 PM 29.5989 -96.0603 58° Northeast 345 397 10,900 -984 Descending Houston Center
Sun 01:27:17 PM 29.6194 -96.0239 57° Northeast 339 390 10,500 -871 Descending Houston Center
Sun 01:28:05 PM 29.6581 -95.9453 61° Northeast 346 398 10,000 -545 Descending Houston Center
Sun 01:28:12 PM 29.6619 -95.9350 66° East 350 403 10,000 -387 Level Houston Center
Sun 01:29:07 PM 29.7039 -95.8544 59° Northeast 336 387 9,600 -581 Descending Houston Center
Sun 01:29:14 PM 29.7067 -95.8456 70° East 297 342 9,400 -1,429 Descending Houston Center
Sun 01:30:10 PM 29.7450 -95.7714 59° Northeast 303 349 8,100 -1,574 Descending Houston Center
Sun 01:30:15 PM 29.7514 -95.7586 60° Northeast 301 346 7,800 -1,355 Descending Houston Center
Sun 01:31:12 PM 29.7861 -95.6908 59° Northeast 294 338 6,700 -1,279 Descending Houston Center
Sun 01:31:16 PM 29.7925 -95.6769 62° Northeast 286 329 6,500 -677 Descending Houston Center
Sun 01:32:14 PM 29.8236 -95.6136 60° Northeast 279 321 6,000 -492 Descending Houston Center
Sun 01:32:17 PM 29.8297 -95.6003 62° Northeast 275 316 6,000  Level Houston Center
Sun 01:33:16 PM 29.8631 -95.5364 59° Northeast 278 320 6,000  Level Houston Center
Sun 01:33:18 PM 29.8706 -95.5183 64° Northeast 280 322 6,000  Level Houston Center
Sun 01:34:18 PM 29.8953 -95.4378 70° East 277 319 6,000  Level Houston Center
Sun 01:34:20 PM 29.8944 -95.4361 120° Southeast 278 320 6,000  Level Houston Center
Sun 01:35:21 PM 29.8967 -95.3442 88° East 274 315 6,000  Level Houston Center
Sun 01:36:22 PM 29.8961 -95.2653 90° East 262 302 6,000 -194 Level Houston Center
Sun 01:37:25 PM 29.8969 -95.1889 89° East 240 276 5,600 -537 Descending Houston Center
Sun 01:37:29 PM 29.8964 -95.1803 94° East 242 278 5,400 -1,355 Descending Houston Center
Sun 01:38:27 PM 29.9050 -95.1142 81° East 236 272 4,200 -1,355 Descending Houston Center
Sun 01:38:31 PM 29.9167 -95.1056 33° Northeast 246 283 4,000 -712 Descending Houston Center
Sun 01:39:26 PM 29.9700 -95.1158 351° North 224 258 3,500 -310 Descending Houston Center
Sun 01:39:29 PM 29.9658 -95.1086 124° Southeast 236 272 3,700 -1,108 Climbing Houston Center
Sun 01:40:31 PM 29.9789 -95.1742 283° West 221 254 2,300 -1,500 Descending Houston Center
Sun 01:40:33 PM 29.9769 -95.1897 262° West 214 246 2,100 -1,065 Descending Houston Center
Sun 01:41:33 PM 29.9769 -95.2458 270° West 203 234 1,200 -885 Descending Houston Center
Sun 01:41:34 PM 29.9778 -95.2450 41° Northeast 161 185 1,200 -774 Level Houston Center
Sun 01:42:35 PM 29.9769 -95.2889 269° West 162 186 400 -787 Descending Houston Center

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