26 active days
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Tracked flight number
XR421
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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1,450 mi avg per flight
2 hr 53 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 26 active days
Flights26
Aug 20
Aug 22
Aug 26
Aug 27
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Aug 30
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Sep 24
Observed route footprint
Routes tracked as XR421
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 26 | 26 | 0 | 37,704 mi | 74 hr 46 min | Aug 20, 2026, 2:09 AM UTC | Sep 24, 2026, 5:18 AM UTC |
Observed tail number assignments
Tail numbers tracked as XR421
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B738 | 8 | 1 | 11,572 mi | Aug 20, 2026, 2:09 AM UTC | Sep 24, 2026, 5:18 AM UTC | |
| B738 | 6 | 1 | 8,694 mi | Aug 29, 2026, 1:52 AM UTC | Sep 7, 2026, 5:14 AM UTC | |
| B738 | 4 | 1 | 5,804 mi | Sep 8, 2026, 1:44 AM UTC | Sep 20, 2026, 5:13 AM UTC | |
| B738 | 3 | 1 | 4,373 mi | Aug 26, 2026, 3:23 AM UTC | Sep 2, 2026, 6:24 AM UTC | |
| B738 | 2 | 1 | 2,894 mi | Sep 16, 2026, 3:12 AM UTC | Sep 17, 2026, 5:12 AM UTC | |
Observed aircraft types
Aircraft types tracked as XR421
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% | 7 | 37,704 mi | 1 | Aug 20, 2026, 2:09 AM UTC | Sep 24, 2026, 5:18 AM UTC |
Observation log
Flight observations
Latest 100 flights for XR421 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B738 | Sep 24, 2026, 2:28 AM UTC | Sep 24, 2026, 5:18 AM UTC | 2 hr 50 min | 1,460 mi | ||
| High · 100 | B738 | Sep 23, 2026, 3:31 AM UTC | Sep 23, 2026, 6:10 AM UTC | 2 hr 39 min | 1,422 mi | ||
| High · 100 |