24 active days
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Analysis window
Every derived statistic, daily trend, route, tail number assignment, flight observation, and mapped path below uses this flight-date window.
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24 active days
934 mi avg per flight
1 hr 57 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Observed route footprint
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 26 | 24 | 0 | 24,286 mi | 50 hr 53 min | Aug 20, 2026, 10:26 PM UTC | Sep 23, 2026, 12:12 AM UTC |
Observed tail number assignments
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 2 | 1 | 1,828 mi | Aug 26, 2026, 10:15 PM UTC | Sep 10, 2026, 12:11 AM UTC | |
| B739 | 2 | 1 | 1,872 mi | Sep 2, 2026, 10:26 PM UTC | Sep 5, 2026, 12:12 AM UTC | |
| B739 | 2 | 1 | 1,857 mi | Aug 22, 2026, 12:46 AM UTC | Aug 28, 2026, 12:24 AM UTC | |
| B739 | 1 | 1 | 960 mi | Sep 22, 2026, 10:10 PM UTC | Sep 23, 2026, 12:12 AM UTC | |
| B739 | 1 | 1 | 933 mi | Sep 21, 2026, 10:16 PM UTC | Sep 22, 2026, 12:11 AM UTC | |
Observed aircraft types
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
| Type | Aircraft name | Flights | Makeup | Tail numbers | Tracked distance | Routes | First observed | Last observed |
|---|---|---|---|---|---|---|---|---|
| B739 | Boeing 737-900 | 26 | 100.0% | 23 | 24,286 mi | 1 | Aug 20, 2026, 10:26 PM UTC | Sep 23, 2026, 12:12 AM UTC |
Observation log
Latest 100 flights for UA1871 within Aug 20 – Sep 24, 2026
| B739 |
| 1 |
| 1 |
| 951 mi |
| Sep 20, 2026, 10:40 PM UTC |
| Sep 21, 2026, 12:39 AM UTC |
| B739 | 1 | 1 | 941 mi | Sep 19, 2026, 10:23 PM UTC | Sep 20, 2026, 12:18 AM UTC |
| B739 | 1 | 1 | 966 mi | Sep 18, 2026, 10:09 PM UTC | Sep 19, 2026, 12:10 AM UTC |
| B739 | 1 | 1 | 913 mi | Sep 16, 2026, 10:11 PM UTC | Sep 17, 2026, 12:07 AM UTC |
| B739 | 1 | 1 | 962 mi | Sep 15, 2026, 10:15 PM UTC | Sep 16, 2026, 12:22 AM UTC |
| B739 | 1 | 1 | 935 mi | Sep 13, 2026, 10:19 PM UTC | Sep 14, 2026, 12:13 AM UTC |
| B739 | 1 | 1 | 977 mi | Sep 12, 2026, 10:16 PM UTC | Sep 13, 2026, 12:25 AM UTC |
| B739 | 1 | 1 | 906 mi | Sep 10, 2026, 10:24 PM UTC | Sep 11, 2026, 12:18 AM UTC |
| B739 | 1 | 1 | 943 mi | Sep 7, 2026, 10:10 PM UTC | Sep 8, 2026, 12:04 AM UTC |
| B739 | 1 | 1 | 947 mi | Sep 6, 2026, 10:09 PM UTC | Sep 7, 2026, 12:08 AM UTC |
| B739 | 1 | 1 | 898 mi | Sep 5, 2026, 10:14 PM UTC | Sep 6, 2026, 12:02 AM UTC |
| B739 | 1 | 1 | 947 mi | Sep 3, 2026, 10:17 PM UTC | Sep 4, 2026, 12:15 AM UTC |
| B739 | 1 | 1 | 924 mi | Sep 1, 2026, 10:25 PM UTC | Sep 2, 2026, 12:22 AM UTC |
| B739 | 1 | 1 | 904 mi | Aug 28, 2026, 11:45 PM UTC | Aug 29, 2026, 1:37 AM UTC |
| B739 | 1 | 1 | 909 mi | Aug 24, 2026, 10:11 PM UTC | Aug 25, 2026, 12:11 AM UTC |
| B739 | 1 | 1 | 901 mi | Aug 24, 2026, 12:48 AM UTC | Aug 24, 2026, 2:43 AM UTC |
| B739 | 1 | 1 | 935 mi | Aug 22, 2026, 11:02 PM UTC | Aug 23, 2026, 1:00 AM UTC |
| B739 | 1 | 1 | 975 mi | Aug 20, 2026, 10:26 PM UTC | Aug 21, 2026, 12:31 AM UTC |
| B739 |
| Sep 20, 2026, 10:40 PM UTC |
| Sep 21, 2026, 12:39 AM UTC |
| 1 hr 59 min |
| 951 mi |
| High · 100 | B739 | Sep 19, 2026, 10:23 PM UTC | Sep 20, 2026, 12:18 AM UTC | 1 hr 55 min | 941 mi |
| High · 100 | B739 | Sep 18, 2026, 10:09 PM UTC | Sep 19, 2026, 12:10 AM UTC | 2 hr 1 min | 966 mi |
| Limited · 84 | Route unverified | B739 | Sep 17, 2026, 10:23 PM UTC | Sep 18, 2026, 12:13 AM UTC | 1 hr 50 min | 912 mi |
| High · 100 | B739 | Sep 16, 2026, 10:11 PM UTC | Sep 17, 2026, 12:07 AM UTC | 1 hr 55 min | 913 mi |
| High · 100 | B739 | Sep 15, 2026, 10:15 PM UTC | Sep 16, 2026, 12:22 AM UTC | 2 hr 7 min | 962 mi |
| Limited · 84 | Route unverified | B739 | Sep 14, 2026, 10:17 PM UTC | Sep 15, 2026, 12:15 AM UTC | 1 hr 59 min | 909 mi |
| High · 100 | B739 | Sep 13, 2026, 10:19 PM UTC | Sep 14, 2026, 12:13 AM UTC | 1 hr 54 min | 935 mi |
| High · 100 | B739 | Sep 12, 2026, 10:16 PM UTC | Sep 13, 2026, 12:25 AM UTC | 2 hr 9 min | 977 mi |
| Limited · 84 | Route unverified | B739 | Sep 11, 2026, 10:13 PM UTC | Sep 12, 2026, 12:19 AM UTC | 2 hr 6 min | 889 mi |
| High · 100 | B739 | Sep 10, 2026, 10:24 PM UTC | Sep 11, 2026, 12:18 AM UTC | 1 hr 54 min | 906 mi |
| High · 100 | B739 | Sep 9, 2026, 10:11 PM UTC | Sep 10, 2026, 12:11 AM UTC | 2 hr 1 min | 908 mi |
| Limited · 84 | Route unverified | B739 | Sep 8, 2026, 10:33 PM UTC | Sep 9, 2026, 12:38 AM UTC | 2 hr 5 min | 943 mi |
| High · 100 | B739 | Sep 7, 2026, 10:10 PM UTC | Sep 8, 2026, 12:04 AM UTC | 1 hr 54 min | 943 mi |
| High · 100 | B739 | Sep 6, 2026, 10:09 PM UTC | Sep 7, 2026, 12:08 AM UTC | 1 hr 59 min | 947 mi |
| High · 100 | B739 | Sep 5, 2026, 10:14 PM UTC | Sep 6, 2026, 12:02 AM UTC | 1 hr 48 min | 898 mi |
| High · 100 | B739 | Sep 4, 2026, 10:19 PM UTC | Sep 5, 2026, 12:12 AM UTC | 1 hr 53 min | 927 mi |
| High · 100 | B739 | Sep 3, 2026, 10:17 PM UTC | Sep 4, 2026, 12:15 AM UTC | 1 hr 58 min | 947 mi |
| High · 100 | B739 | Sep 2, 2026, 10:26 PM UTC | Sep 3, 2026, 12:17 AM UTC | 1 hr 52 min | 945 mi |
| High · 100 | B739 | Sep 1, 2026, 10:25 PM UTC | Sep 2, 2026, 12:22 AM UTC | 1 hr 57 min | 924 mi |
| Limited · 84 | Route unverified | B739 | Aug 31, 2026, 10:22 PM UTC | Sep 1, 2026, 12:19 AM UTC | 1 hr 57 min | 947 mi |
| Limited · 84 | Route unverified | B739 | Aug 30, 2026, 10:21 PM UTC | Aug 31, 2026, 12:26 AM UTC | 2 hr 5 min | 916 mi |
| Limited · 84 | Route unverified | B739 | Aug 29, 2026, 10:16 PM UTC | Aug 30, 2026, 12:10 AM UTC | 1 hr 54 min | 929 mi |
| High · 100 | B739 | Aug 28, 2026, 11:45 PM UTC | Aug 29, 2026, 1:37 AM UTC | 1 hr 52 min | 904 mi |
| High · 100 | B739 | Aug 27, 2026, 10:32 PM UTC | Aug 28, 2026, 12:24 AM UTC | 1 hr 52 min | 916 mi |
| High · 100 | B739 | Aug 26, 2026, 10:15 PM UTC | Aug 27, 2026, 12:12 AM UTC | 1 hr 57 min | 920 mi |
| Limited · 84 | Route unverified | B739 | Aug 25, 2026, 10:23 PM UTC | Aug 26, 2026, 12:29 AM UTC | 2 hr 6 min | 988 mi |
| High · 100 | B739 | Aug 24, 2026, 10:11 PM UTC | Aug 25, 2026, 12:11 AM UTC | 2 hr 1 min | 909 mi |
| High · 100 | B739 | Aug 24, 2026, 12:48 AM UTC | Aug 24, 2026, 2:43 AM UTC | 1 hr 55 min | 901 mi |
| High · 100 | B739 | Aug 22, 2026, 11:02 PM UTC | Aug 23, 2026, 1:00 AM UTC | 1 hr 58 min | 935 mi |
| High · 100 | B739 | Aug 22, 2026, 12:46 AM UTC | Aug 22, 2026, 2:47 AM UTC | 2 hr 1 min | 942 mi |
| High · 100 | B739 | Aug 20, 2026, 10:26 PM UTC | Aug 21, 2026, 12:31 AM UTC | 2 hr 5 min | 975 mi |
Global rankings
Among tracked flight numbers · Aug 20 – Sep 24, 2026