Boeing 737-900 (B739)

The Boeing 737-900 — ICAO type designator B739 — is a twin-engined jet aircraft. It seats about 189 passengers, flies up to 5,900 km and spans 35.8 m. Its card in the Skydex collection is uncommon. In Skydex 4 pilots logged 52 different airframes of the Boeing 737-900.

Heard by the network

Heard by 10 Skydex receivers (Kentucky, Georgia): 496 different airframes, 24,021 sightings since 24 Aug 2026, last on 11 Nov 2026.

Operators

Distinct airframes per operator, from the callsigns our receivers hear (recorded since 7 Oct 2026) and from caught aircraft. The operator is the latest one heard, not an ownership history. Also heard: 7 private (not named), 10 without an operator callsign yet.

ICAO type code
B739
Manufacturer
Boeing
Engines
2 × jet
Typical seats
189
Range
5,900 km
Wingspan
35.8 m
Length
42.1 m
Card rarity
uncommon

Spotted airframes

In the directory

Questions

What is the ICAO designator for the Boeing 737-900?

B739. It is the ICAO aircraft type designator used in flight plans and in ADS-B aircraft databases.

Who builds the Boeing 737-900?

Boeing.

Which airlines fly the Boeing 737-900?

In the Skydex network it has been heard or caught flying for Delta Air Lines (161 airframes), United Airlines (147 airframes) and Alaska Airlines (78 airframes).

How often does the Skydex network hear the Boeing 737-900?

496 different airframes since 2026-08-24, on 24,021 airframe-days, at 10 receivers. The last one was heard on 2026-11-11.

How rare is the Boeing 737-900 in Skydex?

Uncommon tier. Players have caught 52 airframes of the type.