9 active days
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Tracked flight number
K4271
Analysis window
Aug 20 – Sep 24, 2026
Every derived statistic, daily trend, route, tail number assignment, flight observation, and mapped path below uses this flight-date window.
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2,989 mi avg per flight
5 hr 20 min average
Average across flights included in analytics
2 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 9 active days
Flights10
Aug 20
Aug 22
Aug 27
Aug 29
Sep 3
Sep 4
Sep 12
Sep 19
Sep 24
Observed route footprint
Routes tracked as K4271
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 0 | 8,170 mi | 14 hr 37 min | Aug 20, 2026, 5:24 AM UTC | Sep 24, 2026, 9:24 AM UTC | |
| 4 | 4 | 0 | 16,759 mi | 29 hr 37 min | Aug 22, 2026, 12:17 AM UTC | Sep 19, 2026, 8:04 AM UTC | |
| 1 | 1 | 0 | 297 mi | 44 min | Sep 12, 2026, 11:53 AM UTC | Sep 12, 2026, 12:37 PM UTC | |
| 1 | 1 | 0 | 4,668 mi | 8 hr 25 min | Sep 12, 2026, 12:15 AM UTC | Sep 12, 2026, 8:40 AM UTC |
Observed tail number assignments
Tail numbers tracked as K4271
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B77L | 2 | 2 | 6,153 mi | Aug 22, 2026, 12:17 AM UTC | Sep 24, 2026, 9:24 AM UTC | |
| B77L | 2 | 2 | 6,277 mi | Sep 3, 2026, 5:00 AM UTC | Sep 19, 2026, 8:04 AM UTC | |
| B77L | 2 | 2 | 4,965 mi | Sep 12, 2026, 12:15 AM UTC | Sep 12, 2026, 12:37 PM UTC | |
| B77L | 2 | 1 | 8,451 mi | Aug 29, 2026, 12:34 AM UTC | Sep 5, 2026, 7:19 AM UTC | |
| B77L | 1 | 1 | 2,010 mi | Aug 27, 2026, 5:04 AM UTC | Aug 27, 2026, 8:35 AM UTC | |
Observed aircraft types
Aircraft types tracked as K4271
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
Observation log
Flight observations
Latest 100 flights for K4271 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B77L | Sep 24, 2026, 5:50 AM UTC | Sep 24, 2026, 9:24 AM UTC | 3 hr 34 min | 2,038 mi | ||
| High · 100 | B77L | Sep 19, 2026, 12:40 AM UTC | Sep 19, 2026, 8:04 AM UTC | 7 hr 24 min | 4,193 mi | ||
| Limited · 74 | Route unverified |