| ARRIVED 9 HOUR 46 MINUTES AGO | 
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| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Tue, 04 Nov | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MST | 13:33 MST | |||
| Mon, 03 Nov | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MST | 13:33 MST | N37298 (Boeing B738) | 11:17 MST | 12:09 MST | 
| Sat, 01 Nov | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:33 MDT | |||
| Fri, 31 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:33 MDT | 10:20 MDT | 11:13 MDT | |
| Thu, 30 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:33 MDT | N78540 ( B738) | 10:16 MDT | 11:06 MDT | 
| Wed, 29 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:33 MDT | N36247 (Boeing B738) | 10:20 MDT | 11:14 MDT | 
| Tue, 28 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:33 MDT | N76523 (Boeing B738) | 10:22 MDT | 11:19 MDT | 
| Mon, 27 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:33 MDT | N12218 (Boeing B738) | 10:27 MDT | 11:04 MDT | 
| Sun, 26 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:33 MDT | N77530 (Boeing B738) | 10:19 MDT | 11:06 MDT | 
| Sat, 25 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N37462 (Boeing B739) | 10:10 MDT | 11:08 MDT | 
| Fri, 24 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N34460 (Boeing B739) | 10:30 MDT | 11:13 MDT | 
| Thu, 23 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N39461 (Boeing B739) | 10:29 MDT | 11:20 MDT | 
| Wed, 22 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N37437 (Boeing B739) | 10:19 MDT | 11:17 MDT | 
| Tue, 21 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N27421 (Boeing B739) | 10:35 MDT | 11:23 MDT | 
| Mon, 20 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | 10:25 MDT | 11:25 MDT | |
| Sat, 18 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N37468 (Boeing B739) | 10:27 MDT | 11:20 MDT | 
| Fri, 17 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | |||
| Thu, 16 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N28478 (Boeing B739) | 10:23 MDT | 11:05 MDT | 
| Wed, 15 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N38459 (Boeing B739) | 10:26 MDT | 11:11 MDT | 
| Tue, 14 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N75432 (Boeing B739) | 10:21 MDT | 11:03 MDT | 
| Mon, 13 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N75432 (Boeing B739) | 10:21 MDT | 11:16 MDT | 
| Sun, 12 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | 10:07 MDT | 11:16 MDT | |
| Sat, 11 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N64809 (Boeing B739) | 10:27 MDT | 11:39 MDT | 
| Fri, 10 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N68842 (Boeing B739) | 10:33 MDT | 11:32 MDT | 
| Thu, 09 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N69824 (Boeing B739) | 10:15 MDT | 11:04 MDT | 
| Wed, 08 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N66841 (Boeing B739) | 10:17 MDT | 11:06 MDT | 
| Tue, 07 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N75429 (Boeing B739) | 10:23 MDT | 11:13 MDT | 
| Mon, 06 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | 10:18 MDT | 11:12 MDT | |
| Sat, 04 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N37470 (Boeing B739) | 10:44 MDT | 11:42 MDT | 
| Fri, 03 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N73445 (Boeing B739) | 10:19 MDT | 11:11 MDT | 
| Thu, 02 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N73445 (Boeing B739) | 10:14 MDT | 10:59 MDT | 
| Wed, 01 Oct | UA639 | Denver Intl (DEN) | Missoula Intl (MSO) | 11:20 MDT | 13:27 MDT | N68822 (Boeing B739) | 10:20 MDT | 11:10 MDT |