ESF521

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departed

2026-09-23 03:56 UTC (first seen)

Arrival

General Mariano Escobedo International Airport (MTY) — Monterrey, Mexico

Distance flown

328 km

Approach distance

48 km

Aircraft

Registration

XA-SLG

Type

Boeing 737-400

Altitude & speed

Max altitude

32,000 ft

Max ground speed

461 kt

Tracked

2h 2m · 328 km

Altitude (ft, max 32,000)

Ground speed (kt, max 461)

Altitude (ft, max 32,000)

Ground speed (kt, max 461)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airlines

Equaflight Service dba Equaflight Service (EKA)

Estafeta Carga Aerea, S.A. de C.V (ESF)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 06:15 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EME	Boeing 737-400	Incomplete (signal lost)	~772 km est. (201 km recorded)
2026-10-01 05:48 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EST	Boeing 737-400	Incomplete (signal lost)	~730 km est. (202 km recorded)
2026-10-01 04:03 UTC	ESF521	? → MTY ? → Monterrey	XA-EST	Boeing 737-400	Completed	334 km
2026-09-30 05:43 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EME	Boeing 737-400	Incomplete (signal lost)	~732 km est. (204 km recorded)
2026-09-30 04:04 UTC	ESF521	NLU → MTY Reyes Acozac → Monterrey	XA-EME	Boeing 737-400	Completed	330 km
2026-09-29 06:01 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EMX	Boeing 737-400	Incomplete (signal lost)	~737 km est. (208 km recorded)
2026-09-25 05:46 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EST	Boeing 737-400	Incomplete (signal lost)	~735 km est. (206 km recorded)
2026-09-25 04:04 UTC	ESF521	? → MTY ? → Monterrey	XA-EST	Boeing 737-400	Completed	257 km
2026-09-24 05:48 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EMX	Boeing 737-400	Incomplete (signal lost)	~733 km est. (204 km recorded)
2026-09-24 03:47 UTC	ESF521	? → MTY ? → Monterrey	XA-EMX	Boeing 737-400	Completed	271 km
2026-09-23 05:58 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-SLG	Boeing 737-400	Incomplete (signal lost)	~731 km est. (197 km recorded)
2026-09-23 03:56 UTC	ESF521	? → MTY ? → Monterrey	XA-SLG	Boeing 737-400	Completed	328 km
2026-09-22 05:59 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EST	Boeing 737-400	Incomplete (signal lost)	~732 km est. (202 km recorded)
2026-09-22 03:49 UTC	ESF521	? → MTY ? → Monterrey	XA-EST	Boeing 737-400	Completed	341 km
2026-09-18 05:47 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EMX	Boeing 737-400	Incomplete (signal lost)	~744 km est. (209 km recorded)
2026-09-17 05:43 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EST	Boeing 737-400	Incomplete (signal lost)	~742 km est. (206 km recorded)
2026-09-15 05:53 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-SLG	Boeing 737-400	Incomplete (signal lost)	~742 km est. (187 km recorded)
2026-09-11 05:56 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-GGB	Boeing 737-400	Incomplete (signal lost)	~739 km est. (184 km recorded)
2026-09-10 05:45 UTC	ESF521	MTY → GDL Monterrey → Guadalajara	XA-EST	Boeing 737-400	Completed	700 km
2026-09-08 05:48 UTC	ESF521	MTY → ? Monterrey → ?	XA-EME	Boeing 737-400	Incomplete (signal lost)	199 km
2026-09-04 07:25 UTC	ESF521	MTY → ? Monterrey → ?	XA-EMX	Boeing 737-400	Incomplete (signal lost)	654 km
2026-09-03 07:25 UTC	ESF521	MTY → ? Monterrey → ?	XA-EMX	Boeing 737-400	Incomplete (signal lost)	648 km
2026-09-02 07:27 UTC	ESF521	MTY → ? Monterrey → ?	XA-EMX	Boeing 737-400	Completed	199 km
2026-08-28 07:29 UTC	ESF521	MTY → ? Monterrey → ?	XA-EME	Boeing 737-400	Completed	172 km
2026-08-27 07:07 UTC	ESF521	MTY → ? Monterrey → ?	XA-EME	Boeing 737-400	Completed	196 km
2026-08-26 07:47 UTC	ESF521	MTY → ? Monterrey → ?	XA-EMX	Boeing 737-400	Completed	183 km
2026-08-25 07:47 UTC	ESF521	MTY → ? Monterrey → ?	XA-EME	Boeing 737-400	Completed	186 km
2026-08-21 07:23 UTC	ESF521	MTY → ? Monterrey → ?	XA-EMX	Boeing 737-400	Completed	83 km
2026-08-20 07:05 UTC	ESF521	MTY → ? Monterrey → ?	XA-EMX	Boeing 737-400	Completed	632 km
2026-08-19 07:36 UTC	ESF521	MTY → ? Monterrey → ?	XA-EMX	Boeing 737-400	Completed	121 km
2026-08-18 07:27 UTC	ESF521	MTY → ? Monterrey → ?	XA-EMX	Boeing 737-400	Completed	621 km