Boeing 737-400 (B734)
i
ICAO B734 Large

Boeing 737-400

Twin Jet· 55 globally registered

The BOEING Boeing 737-400 (B734) is a BOEING 2-engine jet aircraft classified as medium wake category. Typical approach speed (Vref) is around 139 knots; operating envelope 68,040 kg MTOW. SkyMeter has observed 3,176 flights operated by this type across 150 airframes and 20 carriers. The largest observed operator is EASTERN 737 ASSET HOLDINGS LLC (BBQ).

✈
ACTIVE AIRFRAMES
150
last 90 days
🏢
OPERATORS
20
unique airlines
📊
FLIGHTS
3,176
tracked
⏱
AVG DURATION
1h 26m
per flight
⚠
INCIDENT RATE
14.4%
456 flagged

Performance

Speed envelope & approach

Vref
139 kt
Vref range
—
Vmo
—
Mmo
—
Approach category
C

Dimensions

Airframe geometry

Wingspan
95 ft
Length
120 ft
Tail height
36 ft
Wheelbase
47 ft
Gear width
21 ft
Wake category
Medium

Weight & identification

Operating limits

MTOW
150,000 lb
MALW
123,700 lb
Manufacturer model
Boeing 737-400
FAA designator
B734
Registered
55

Top operators

By fleet size · last 90 days

19
EASTERN 737 ASSET HOLDINGS LLC 9 aircraft
207 flights
KALITTA CHARTERS II LLC 7 aircraft
129 flights
Bradley Air Services Limited 3 aircraft
106 flights
AIRCRAFT 28889 LLC 1 aircraft
94 flights
NAS AIRCRAFT LEASING COMPANY LLC 1 aircraft
78 flights
AIRCRAFT 25859 LLC 1 aircraft
51 flights
Air North Charter & Training Ltd 1 aircraft
38 flights
Les Investissements Nolinor Inc. 2 aircraft
38 flights
UMB BANK NA TRUSTEE 1 aircraft
34 flights
WILMINGTON TRUST CO TRUSTEE 1 aircraft
32 flights
GP Aviation 1 aircraft
20 flights
Aeronaves TSM 2 aircraft
19 flights
AEROTRUST SERVICES CORP TRUSTEE 2 aircraft
13 flights
Braspress Air Cargo 1 aircraft
8 flights
U.S. MARSHALS SERVICE 1 aircraft
7 flights
NATIONAL NUCLEAR SECURITY ADMINISTRATION, OFFICE OF SECURE TRANS 1 aircraft
5 flights
SL AVIATION LLC 1 aircraft
3 flights
CANCELLED/NOT ASSIGNED 1 aircraft
2 flights
V81Y-734 LLC 1 aircraft
1 flights

Safety profile

Flagged flights · last 90 days

Go-arounds
4
Unstable
449
Rejected TO
1
Stall
1
Overspeed
0
Excursion
4

Family

Related variants

7
B732
Boeing 737-200/VC96
B733
Boeing 737-300
B735
Boeing 737-500
B736
Boeing 737-600
B737
Boeing 737-700
B738
Boeing 737-800
B739
Boeing 737-900

Recent incidents

Flagged flights of B734

20
BBQ3011N807TJ
???
21:32
 →
KNCA
23:04
06/03/2026
1h 32m
△ Unstable
Replay Analysis
MSA82EEI-GHC
???
20:27
 →
LIPO
21:23
06/03/2026
55m
△ Unstable
Replay Analysis
MSA94SEI-GHA
LICA
20:09
 →
LIPO
21:33
06/03/2026
1h 24m
△ Unstable
Replay Analysis
TAY2DIOE-IBL
EGPH
19:22
 →
EGNV
19:53
06/03/2026
31m
△ Unstable
Replay Analysis
BBQ9011N807TJ
KOAJ
18:20
 →
KLUL
20:07
06/03/2026
1h 47m
△ Unstable
Replay Analysis
MYU220PK-MYV
WMKP
16:43
 →
WSSS
17:47
06/03/2026
1h 3m
△ Unstable
Replay Analysis
MSA9884EI-GHC
LIPO
15:27
 →
LIRF
16:09
06/03/2026
42m
△ Unstable
Replay Analysis
BBQ3010N807TJ
KPIB
15:23
 →
KNCA
16:58
06/03/2026
1h 35m
△ Unstable
Replay Analysis
BRW30YV573T
KFCM
15:16
 →
KFCM
16:17
06/03/2026
1h 0m
△ Unstable
Replay Analysis
VTM3908XA-VGD
???
15:16
 →
MMTJ
15:48
06/03/2026
31m
△ Unstable
Replay Analysis

Recent flights

Real flights of B734 · airborne ≥ 20 min

30
CSS265B-2883
???
23:35
 →
RCTP
23:57
06/03/2026
22m
No alerts
Replay Analysis
FPO701F-GZTI
LFPG
23:31
 →
???
23:59
06/03/2026
28m
No alerts
Replay Analysis
NPT5DG-JMCS
EGPH
23:12
 →
???
23:59
06/03/2026
47m
No alerts
Replay Analysis
TAY1904OE-IBI
ESGJ
23:10
 →
???
23:59
06/03/2026
49m
No alerts
Replay Analysis
MSA95SEI-GHA
LIPO
23:05
 →
???
23:59
06/03/2026
54m
No alerts
Replay Analysis
SWT3513EC-NLU
LFRN
22:25
 →
LFML
23:39
06/03/2026
1h 14m
No alerts
Replay Analysis
NRL663C-GGWV
CYQB
22:20
 →
CYMX
22:48
06/03/2026
27m
No alerts
Replay Analysis
MYU221PK-MYV
WSSS
22:09
 →
???
22:47
06/03/2026
38m
No alerts
Replay Analysis
BCS1843EC-NMK
LFPG
21:55
 →
EDDK
23:23
06/03/2026
1h 27m
No alerts
Replay Analysis
NPT3EAG-CKUZ
EGNX
21:49
 →
EBLG
22:53
06/03/2026
1h 4m
No alerts
Replay Analysis
BCS435LZ-CGX
EKCH
21:43
 →
EGNX
23:24
06/03/2026
1h 40m
No alerts
Replay Analysis
ANT540C-FANB
CYVR
21:42
 →
???
23:20
06/03/2026
1h 38m
No alerts
Replay Analysis
BBQ3011N807TJ
???
21:32
 →
KNCA
23:04
06/03/2026
1h 32m
△ Unstable
Replay Analysis
NAC1781N409YK
PADG
21:32
 →
PANC
23:02
06/03/2026
1h 29m
No alerts
Replay Analysis
AKT152C-FFNF
CYWG
21:28
 →
???
22:00
06/03/2026
32m
No alerts
Replay Analysis
UCG470HP-1994UCG
???
21:06
 →
???
21:55
06/03/2026
48m
No alerts
Replay Analysis
BCS943LZ-CGU
LIPZ
21:01
 →
LIMC
21:46
06/03/2026
45m
No alerts
Replay Analysis
XKY814RP-C4888
RPLL
20:51
 →
VHHH
22:55
06/03/2026
2h 3m
No alerts
Replay Analysis
BCS4243LZ-CGT
EDDM
20:50
 →
LIMC
21:41
06/03/2026
51m
No alerts
Replay Analysis
TAY9IEF-GZTR
LOWW
20:50
 →
LFPG
22:45
06/03/2026
1h 55m
No alerts
Replay Analysis
TAY2DIOE-IBL
EGNV
20:45
 →
LFPG
22:01
06/03/2026
1h 15m
No alerts
Replay Analysis
LMU749SU-TCK
???
20:43
 →
???
22:39
06/03/2026
1h 55m
No alerts
Replay Analysis
FPO720F-GZTI
FR-0182
20:40
 →
LFPG
21:48
06/03/2026
1h 7m
No alerts
Replay Analysis
TAY1904OE-IBI
EBBR
20:31
 →
ESGJ
21:56
06/03/2026
1h 25m
No alerts
Replay Analysis
MSA82EEI-GHC
???
20:27
 →
LIPO
21:23
06/03/2026
55m
△ Unstable
Replay Analysis
MSA94SEI-GHA
LICA
20:09
 →
LIPO
21:33
06/03/2026
1h 24m
△ Unstable
Replay Analysis
SWT1335EC-NLU
FR-0182
20:09
 →
LFRN
21:34
06/03/2026
1h 25m
No alerts
Replay Analysis
NRL663C-GGWV
???
20:02
 →
CYBG
20:22
06/03/2026
20m
No alerts
Replay Analysis
CGF1981LZ-CGV
EPKT
19:52
 →
EDDK
21:19
06/03/2026
1h 27m
No alerts
Replay Analysis
KII3916N734CK
KMIA
19:34
 →
KMIA
21:58
06/03/2026
2h 24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 90 days