N8878L
Boeing 737-8
B38M · callsign SWA4409 · ICAO AC3B51
Southwest Airlines
Southwest Airlines
1Crossings
Oct 8First seen
Oct 8, 3:33 pmLast seen
9.5 nmClosest pass
18,975 ftLowest
Every crossing
| When | Closest | Altitude |
|---|---|---|
| Thu Oct 8, 3:30 pm | 9.5 nm | 18,975–23,350 ft |