13 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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13 active days
5,747 mi avg per flight
10 hr 42 min average
Average across flights included in analytics
2 aircraft types
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 |
|---|---|---|---|---|---|---|---|
| 13 | 13 | 0 | 74,709 mi | 139 hr 5 min | Aug 20, 2026, 8:04 AM UTC | Sep 22, 2026, 6:40 PM 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 |
|---|---|---|---|---|---|---|
| B789 | 3 | 1 | 17,469 mi | Sep 8, 2026, 8:12 AM UTC | Sep 22, 2026, 6:40 PM UTC | |
| B78X | 2 | 1 | 11,413 mi | Aug 27, 2026, 8:03 AM UTC | Aug 29, 2026, 6:44 PM UTC | |
| B789 | 1 | 1 | 5,799 mi | Sep 19, 2026, 7:58 AM UTC | Sep 19, 2026, 6:42 PM UTC | |
| B789 | 1 | 1 | 5,729 mi | Sep 12, 2026, 9:10 AM UTC | Sep 12, 2026, 7:46 PM UTC | |
| B789 | 1 | 1 | 5,734 mi | Sep 10, 2026, 8:13 AM UTC | Sep 10, 2026, 6:48 PM UTC | |
Observed aircraft types
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
Observation log
Latest 100 flights for KL639 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B789 | Sep 24, 2026, 8:10 AM UTC | Sep 24, 2026, 6:51 PM UTC | 10 hr 40 min | 5,730 mi | ||
| High · 100 | B789 | Sep 22, 2026, 8:01 AM UTC | Sep 22, 2026, 6:40 PM UTC | 10 hr 39 min | 5,682 mi | ||
| High · 100 |
| B789 |
| 1 |
| 1 |
| 5,827 mi |
| Sep 5, 2026, 8:14 AM UTC |
| Sep 5, 2026, 7:07 PM UTC |
| B789 | 1 | 1 | 5,698 mi | Sep 1, 2026, 8:20 AM UTC | Sep 1, 2026, 6:56 PM UTC |
| B789 | 1 | 1 | 5,683 mi | Aug 25, 2026, 8:04 AM UTC | Aug 25, 2026, 6:41 PM UTC |
| B789 | 1 | 1 | 5,657 mi | Aug 22, 2026, 8:04 AM UTC | Aug 22, 2026, 6:40 PM UTC |
| B789 | 1 | 1 | 5,700 mi | Aug 20, 2026, 8:04 AM UTC | Aug 20, 2026, 6:49 PM UTC |
| B789 |
| Sep 19, 2026, 7:58 AM UTC |
| Sep 19, 2026, 6:42 PM UTC |
| 10 hr 44 min |
| 5,799 mi |
| High · 100 | B789 | Sep 15, 2026, 8:02 AM UTC | Sep 15, 2026, 6:50 PM UTC | 10 hr 47 min | 5,823 mi |
| High · 100 | B789 | Sep 12, 2026, 9:10 AM UTC | Sep 12, 2026, 7:46 PM UTC | 10 hr 36 min | 5,729 mi |
| High · 100 | B789 | Sep 10, 2026, 8:13 AM UTC | Sep 10, 2026, 6:48 PM UTC | 10 hr 35 min | 5,734 mi |
| High · 100 | B789 | Sep 8, 2026, 8:12 AM UTC | Sep 8, 2026, 6:58 PM UTC | 10 hr 45 min | 5,964 mi |
| High · 100 | B789 | Sep 5, 2026, 8:14 AM UTC | Sep 5, 2026, 7:07 PM UTC | 10 hr 53 min | 5,827 mi |
| High · 100 | B789 | Sep 1, 2026, 8:20 AM UTC | Sep 1, 2026, 6:56 PM UTC | 10 hr 37 min | 5,698 mi |
| High · 100 | B78X | Aug 29, 2026, 8:00 AM UTC | Aug 29, 2026, 6:44 PM UTC | 10 hr 43 min | 5,673 mi |
| High · 100 | B78X | Aug 27, 2026, 8:03 AM UTC | Aug 27, 2026, 6:50 PM UTC | 10 hr 48 min | 5,740 mi |
| High · 100 | B789 | Aug 25, 2026, 8:04 AM UTC | Aug 25, 2026, 6:41 PM UTC | 10 hr 37 min | 5,683 mi |
| High · 100 | B789 | Aug 22, 2026, 8:04 AM UTC | Aug 22, 2026, 6:40 PM UTC | 10 hr 36 min | 5,657 mi |
| High · 100 | B789 | Aug 20, 2026, 8:04 AM UTC | Aug 20, 2026, 6:49 PM UTC | 10 hr 45 min | 5,700 mi |
Global rankings
Among tracked flight numbers · Aug 20 – Sep 24, 2026