8 active days
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Tracked directional route
SOF → SDR
Sofia Airport → Santander Airport
SOF
LBSFSofia AirportOpen live airport profile →DestinationSDR
LEXJSantander AirportOpen live airport profile →View return routeSDR → SOFAnalysis window
Aug 22 – Sep 24, 2026
Every derived statistic, trend, operator and tail number breakdown, flight observation, and mapped path below uses this flight-date window.
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1,408 mi avg per flight
3 hr 4 min average
Average across flights included in analytics
1 flight number
Tracked activity
Aug 22 – Sep 24, 2026 · 8 active days
Flights8
Aug 22
Aug 25
Sep 1
Sep 5
Sep 8
Sep 12
Sep 15
Sep 19
Observed operators
Operators tracked on SOF → SDR
Operator activity within Aug 22 – Sep 24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| 8 | 1 | 7 | 11,261 mi | Aug 22, 2026, 2:58 AM UTC | Sep 19, 2026, 6:01 AM UTC |
Observed services
Flight numbers tracked on SOF → SDR
Open a flight number for its complete tracked profile.
| Flight number | Flights | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|
| 8 | 7 | 11,261 mi | Aug 22, 2026, 2:58 AM UTC | Sep 19, 2026, 6:01 AM UTC |
Observed tail numbers
Tail numbers tracked on SOF → SDR
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Flight numbers | Tracked distance | Last observed |
|---|---|---|---|---|---|
| A21N | 2 | 1 | 2,740 mi | Sep 12, 2026, 5:43 AM UTC | |
| A21N | 1 | 1 | 1,366 mi | Sep 19, 2026, 6:01 AM UTC | |
| A21N | 1 | 1 | 1,451 mi | Sep 15, 2026, 6:05 AM UTC | |
| A21N | 1 | 1 | 1,470 mi | Sep 8, 2026, 6:06 AM UTC | |
| A21N | 1 | 1 | 1,430 mi | Sep 5, 2026, 6:08 AM UTC | |
| A21N | 1 | 1 | 1,420 mi | Sep 1, 2026, 7:00 AM UTC |
Observed aircraft types
Aircraft types tracked on SOF → SDR
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
| Type | Aircraft name | Flights | Makeup | Tail numbers | Tracked distance | Operators | Flight numbers | First observed | Last observed |
|---|---|---|---|---|---|---|---|---|---|
| A21N | Airbus A321neo | 8 | 100.0% | 7 | 11,261 mi | 1 | 1 | Aug 22, 2026, 2:58 AM UTC | Sep 19, 2026, 6:01 AM UTC |
Observation log
Flight observations
Latest 100 flights on SOF → SDR within Aug 22 – Sep 24, 2026