17 active days
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Every derived statistic, daily trend, route, tail number assignment, flight observation, and mapped path below uses this flight-date window.
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17 active days
2,139 mi avg per flight
4 hr 22 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.
Observed tail number assignments
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B738 | 6 | 2 | 13,757 mi | Aug 20, 2026, 5:26 PM UTC | Sep 18, 2026, 6:22 AM UTC | |
| B738 | 5 | 2 | 10,918 mi | Sep 5, 2026, 11:47 PM UTC | Sep 20, 2026, 6:26 AM UTC | |
| B738 | 5 | 2 | 10,944 mi | Aug 27, 2026, 5:08 PM UTC | Sep 11, 2026, 2:03 AM UTC | |
| B738 | 4 | 2 | 7,902 mi | Sep 15, 2026, 4:27 PM UTC | Sep 23, 2026, 6:15 AM UTC | |
| B738 | 4 | 2 | 8,090 mi | Aug 22, 2026, 6:24 PM UTC | Sep 13, 2026, 2:26 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 |
|---|---|---|---|---|---|---|---|---|
| B738 | Boeing 737-800 | 26 | 100.0% | 6 | 55,619 mi | 2 | Aug 20, 2026, 5:26 PM UTC | Sep 23, 2026, 6:15 AM UTC |
Observation log
Latest 100 flights for KQ521 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B738 | Sep 23, 2026, 12:36 AM UTC | Sep 23, 2026, 6:15 AM UTC | 5 hr 39 min | 2,776 mi | ||
| High · 100 | B738 | Sep 22, 2026, 8:36 PM UTC | Sep 22, 2026, 10:55 PM UTC | 2 hr 19 min | 1,112 mi | ||
| High · 100 |
| B738 |
| 2 |
| 2 |
| 4,008 mi |
| Sep 3, 2026, 5:04 PM UTC |
| Sep 4, 2026, 2:54 AM UTC |
| B738 |
| Sep 20, 2026, 12:42 AM UTC |
| Sep 20, 2026, 6:26 AM UTC |
| 5 hr 44 min |
| 2,890 mi |
| High · 100 | B738 | Sep 19, 2026, 8:50 PM UTC | Sep 19, 2026, 11:10 PM UTC | 2 hr 20 min | 1,132 mi |
| High · 100 | B738 | Sep 18, 2026, 12:38 AM UTC | Sep 18, 2026, 6:22 AM UTC | 5 hr 44 min | 2,901 mi |
| Limited · 84 | Route unverified | B738 | Sep 17, 2026, 8:52 PM UTC | Sep 17, 2026, 11:15 PM UTC | 2 hr 24 min | 1,109 mi |
| High · 100 | B738 | Sep 15, 2026, 8:17 PM UTC | Sep 16, 2026, 2:01 AM UTC | 5 hr 44 min | 2,877 mi |
| High · 100 | B738 | Sep 15, 2026, 4:27 PM UTC | Sep 15, 2026, 6:47 PM UTC | 2 hr 20 min | 1,137 mi |
| High · 100 | B738 | Sep 12, 2026, 8:43 PM UTC | Sep 13, 2026, 2:26 AM UTC | 5 hr 43 min | 2,875 mi |
| High · 100 | B738 | Sep 12, 2026, 5:02 PM UTC | Sep 12, 2026, 7:23 PM UTC | 2 hr 21 min | 1,119 mi |
| High · 100 | B738 | Sep 10, 2026, 8:10 PM UTC | Sep 11, 2026, 2:03 AM UTC | 5 hr 53 min | 2,869 mi |
| High · 100 | B738 | Sep 10, 2026, 4:14 PM UTC | Sep 10, 2026, 6:35 PM UTC | 2 hr 21 min | 1,136 mi |
| High · 100 | B738 | Sep 8, 2026, 8:13 PM UTC | Sep 9, 2026, 2:06 AM UTC | 5 hr 52 min | 2,890 mi |
| High · 100 | B738 | Sep 8, 2026, 4:28 PM UTC | Sep 8, 2026, 6:53 PM UTC | 2 hr 25 min | 1,132 mi |
| High · 100 | B738 | Sep 5, 2026, 11:47 PM UTC | Sep 6, 2026, 5:40 AM UTC | 5 hr 53 min | 2,875 mi |
| Limited · 74 | Route unverified | B738 | Sep 5, 2026, 9:54 PM UTC | Sep 5, 2026, 10:29 PM UTC | 35 min | 234 mi |
| Limited · 74 | Route unverified | B738 | Sep 5, 2026, 8:52 PM UTC | Sep 5, 2026, 9:18 PM UTC | 25 min | 209 mi |
| High · 100 | B738 | Sep 3, 2026, 8:48 PM UTC | Sep 4, 2026, 2:54 AM UTC | 6 hr 6 min | 2,869 mi |
| High · 100 | B738 | Sep 3, 2026, 5:04 PM UTC | Sep 3, 2026, 7:31 PM UTC | 2 hr 27 min | 1,139 mi |
| High · 100 | B738 | Sep 2, 2026, 3:37 AM UTC | Sep 2, 2026, 9:18 AM UTC | 5 hr 41 min | 2,888 mi |
| Low · 20 | Route unverified | B738 | Sep 1, 2026, 11:41 PM UTC | Sep 2, 2026, 2:07 AM UTC | 2 hr 26 min | 1,147 mi |
| High · 100 | B738 | Aug 30, 2026, 6:36 PM UTC | Aug 31, 2026, 12:44 AM UTC | 6 hr 8 min | 2,937 mi |
| Limited · 84 | Route unverified | B738 | Aug 29, 2026, 6:38 PM UTC | Aug 29, 2026, 7:13 PM UTC | 35 min | 230 mi |
| High · 100 | B738 | Aug 27, 2026, 9:15 PM UTC | Aug 28, 2026, 2:54 AM UTC | 5 hr 39 min | 2,873 mi |
| High · 100 | B738 | Aug 27, 2026, 5:08 PM UTC | Aug 27, 2026, 7:30 PM UTC | 2 hr 22 min | 1,129 mi |
| High · 100 | B738 | Aug 25, 2026, 10:27 PM UTC | Aug 26, 2026, 4:14 AM UTC | 5 hr 47 min | 2,863 mi |
| High · 100 | B738 | Aug 25, 2026, 6:16 PM UTC | Aug 25, 2026, 8:41 PM UTC | 2 hr 26 min | 1,127 mi |
| High · 100 | B738 | Aug 22, 2026, 10:26 PM UTC | Aug 23, 2026, 4:18 AM UTC | 5 hr 52 min | 2,932 mi |
| High · 100 | B738 | Aug 22, 2026, 6:24 PM UTC | Aug 22, 2026, 8:59 PM UTC | 2 hr 35 min | 1,164 mi |
| High · 100 | B738 | Aug 20, 2026, 9:12 PM UTC | Aug 21, 2026, 3:01 AM UTC | 5 hr 49 min | 2,894 mi |
| High · 100 | B738 | Aug 20, 2026, 5:26 PM UTC | Aug 20, 2026, 7:40 PM UTC | 2 hr 14 min | 1,085 mi |
Global rankings
Among tracked flight numbers · Aug 20 – Sep 24, 2026