| EXPECTED TO ARRIVE SHORTLY |
![]() | ![]() |

Not Rated
| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Tue, 10 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:05 MDT | 14:47 MDT | 13:41 MDT | 14:12 MDT | |
| Tue, 10 Mar | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MDT | 12:24 MDT | 10:53 MDT | 11:30 MDT | |
| Mon, 09 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:05 MDT | 14:47 MDT | 13:42 MDT | 14:15 MDT | |
| Sun, 08 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 12:05 MDT | 13:47 MDT | 14:01 MDT | 14:35 MDT | |
| Sun, 08 Mar | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 09:45 MDT | 11:24 MDT | 10:50 MDT | 11:44 MDT | |
| Sat, 07 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:55 MST | 15:30 MST | |
| Sat, 07 Mar | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | |||
| Fri, 06 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | N264SY ( E175) | 14:56 MST | 15:31 MST |
| Fri, 06 Mar | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | N264SY ( E175) | 11:50 MST | 12:55 MST |
| Thu, 05 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:54 MST | 16:44 MST | |
| Thu, 05 Mar | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:50 MST | 12:25 MST | |
| Wed, 04 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:47 MST | 15:20 MST | |
| Tue, 03 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:41 MST | 17:14 MST | |
| Tue, 03 Mar | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:40 MST | 12:19 MST | |
| Mon, 02 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:48 MST | 15:31 MST | |
| Mon, 02 Mar | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:56 MST | 12:37 MST | |
| Sun, 01 Mar | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:50 MST | 15:29 MST | |
| Sun, 01 Mar | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:55 MST | 12:36 MST | |
| Sat, 28 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 15:01 MST | 15:32 MST | |
| Sat, 28 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:59 MST | 12:29 MST | |
| Fri, 27 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 15:20 MST | 17:31 MST | |
| Thu, 26 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:48 MST | 15:25 MST | |
| Thu, 26 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:52 MST | 12:35 MST | |
| Wed, 25 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 15:00 MST | 15:38 MST | |
| Wed, 25 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:52 MST | 12:37 MST | |
| Tue, 24 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:48 MST | 15:20 MST | |
| Tue, 24 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:51 MST | 12:31 MST | |
| Mon, 23 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:54 MST | 15:23 MST | |
| Mon, 23 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:50 MST | 12:29 MST | |
| Sun, 22 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:57 MST | 15:30 MST | |
| Sun, 22 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 12:12 MST | 12:56 MST | |
| Sat, 21 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 15:12 MST | 15:49 MST | |
| Sat, 21 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | |||
| Fri, 20 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 15:11 MST | 15:47 MST | |
| Fri, 20 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:46 MST | 12:22 MST | |
| Thu, 19 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 15:04 MST | 15:40 MST | |
| Thu, 19 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:48 MST | 12:26 MST | |
| Wed, 18 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 16:09 MST | 16:50 MST | |
| Wed, 18 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:45 MST | 12:46 MST | |
| Tue, 17 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 16:03 MST | 16:37 MST | |
| Tue, 17 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 13:00 MST | 13:38 MST | |
| Mon, 16 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:53 MST | 15:32 MST | |
| Mon, 16 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | |||
| Sun, 15 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:55 MST | 15:31 MST | |
| Sun, 15 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:51 MST | 12:20 MST | |
| Sat, 14 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:58 MST | 15:36 MST | |
| Sat, 14 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:52 MST | 12:36 MST | |
| Fri, 13 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 16:41 MST | 17:18 MST | |
| Fri, 13 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 14:07 MST | 14:42 MST | |
| Thu, 12 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:15 MST | 14:56 MST | 14:52 MST | 15:28 MST | |
| Thu, 12 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:30 MST | 11:54 MST | 12:27 MST | |
| Wed, 11 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:46 MST | 15:20 MST | |
| Wed, 11 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | 12:13 MST | 12:44 MST | |
| Tue, 10 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:47 MST | 15:27 MST | |
| Tue, 10 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | |||
| Mon, 09 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:58 MST | 15:42 MST | |
| Mon, 09 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | 12:15 MST | 12:51 MST | |
| Sun, 08 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:57 MST | 15:33 MST | |
| Sun, 08 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | 11:43 MST | 12:28 MST | |
| Sat, 07 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 15:02 MST | 15:39 MST | |
| Sat, 07 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | 12:06 MST | 12:43 MST | |
| Fri, 06 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:47 MST | 15:28 MST | |
| Fri, 06 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | |||
| Thu, 05 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | N253SY (EMBRAER E75L) | 15:02 MST | 15:46 MST |
| Thu, 05 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | N253SY (EMBRAER E75L) | 11:46 MST | 12:27 MST |
| Wed, 04 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:40 MST | 15:16 MST | |
| Wed, 04 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | 11:53 MST | 12:31 MST | |
| Tue, 03 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:49 MST | 15:23 MST | |
| Tue, 03 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | 11:52 MST | 12:39 MST | |
| Mon, 02 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:50 MST | 15:45 MST | |
| Mon, 02 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | |||
| Sun, 01 Feb | DL3859 | Great Falls Intl (GTF) | Salt Lake City Intl (SLC) | 13:12 MST | 14:55 MST | 14:46 MST | 15:25 MST | |
| Sun, 01 Feb | DL3859 | Salt Lake City Intl (SLC) | Great Falls Intl (GTF) | 10:45 MST | 12:32 MST | 11:49 MST | 12:30 MST | |