JL638 Kumamoto→Tokyo Haneda (KMJ→HND)

Latest operation On 2026-10-5 it departed 9 min late and arrived 3 min late

Cancellation: 3.7% / Diversion: 0% / Avg delay when late: 27min

2026-9-9 – 2026-10-5 ・ 27 flights

Flight time & service

Flight time (scheduled): 1h 40mActual average 1h 35m

Flight time is the median scheduled gate-to-gate (block) time; the actual average excludes cancelled and diverted flights

Daily operations

Date	STD	ATD	STA	ATA	Aircraft	Tail	Block
2026-10-5	20:10	20:19+9	21:45	21:48+3	B738	JA316J	1:29
2026-10-4	20:10	20:23+13	21:45	21:56+11	B738	JA332J	1:33
2026-10-3	20:10	20:09−1	21:45	21:32−13	B738	JA338J	1:23
2026-10-2	20:10	20:09−1	21:45	21:33−12	B738	JA309J	1:24
2026-10-1	20:10	20:08−2	21:45	21:46+1	B738	JA320J	1:38
2026-9-30	20:05	20:20+15	21:45	21:56+11	B738	JA336J	1:36
2026-9-29	20:05	20:21+16	21:45	21:49+4	B738	JA307J	1:28
2026-9-28	20:05	20:14+9	21:45	21:42−3	B738	JA602J	1:28
2026-9-27	20:05	20:24+19	21:45	21:51+6	B738	JA343J	1:27
2026-9-26	20:05	20:19+14	21:45	21:50+5	B738	JA341J	1:31
2026-9-25	20:05	20:29+24	21:45	22:13+28	B738	JA332J	1:44
2026-9-24	20:05	20:20+15	21:45	21:53+8	B738	JA307J	1:33
2026-9-23	20:05	20:03−2	21:45	21:40−5	B738	JA329J	1:37
2026-9-22	20:05	20:12+7	21:45	21:39−6	B738	JA318J	1:27
2026-9-21	20:05	Cancelled			B738	—	—
2026-9-20	20:05	20:08+3	21:45	21:42−3	B738	JA336J	1:34
2026-9-19	20:05	20:02−3	21:45	21:33−12	B738	JA332J	1:31
2026-9-18	20:05	20:15+10	21:45	21:53+8	B738	JA319J	1:38
2026-9-17	20:05	20:20+15	21:45	21:52+7	B738	JA314J	1:32
2026-9-16	20:05	20:11+6	21:45	21:46+1	B738	JA349J	1:35
2026-9-15	20:05	20:46+41	21:45	22:25+40	B738	JA333J	1:39
2026-9-14	20:05	20:51+46	21:45	22:53+68	B738	JA309J	2:02
2026-9-13	20:05	20:14+9	21:45	21:59+14	B738	JA329J	1:45
2026-9-12	20:05	20:23+18	21:45	21:57+12	B738	JA315J	1:34
2026-9-11	20:05	20:31+26	21:45	22:09+24	B738	JA329J	1:38
2026-9-10	20:05	20:05±0	21:45	21:44−1	B763	JA659J	1:39
2026-9-9	20:05	20:34+29	21:45	22:21+36	B738	JA343J	1:47

Centre line is on schedule. The left end of each line is the departure offset, the dot on the right is the arrival offset — extending right means the delay grew, pulling back left means it was made up in the air. Times are local to each airport.

By day of week All time

Mon

Dep

66.7%n=9

Arr

77.8%n=9

Tue

Dep

57.1%n=7

Arr

62.5%n=8

Wed

Dep

81.8%n=11

Arr

81.8%n=11

Thu

Dep

54.5%n=11

Arr

54.5%n=11

Fri

Dep

36.4%n=11

Arr

36.4%n=11

Sat

Dep

90%n=10

Arr

90%n=10

Sun

Dep

60%n=10

Arr

66.7%n=9

Monthly trend

	On-time departure		Avg delay when late	n
2026-10	—	Collecting data	—	n=3
2026-09		58.6%	+35min	n=29
2026-08		67.9%	+36min	n=28
2026-07		55.6%	+46min	n=9

Avg delay when late counts only flights that departed more than 15 minutes behind schedule / Faded rows are indicative (n<10); below n=5 no rate is shown

AS7940 / CI8476 / AM7753

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Updated: 2026-10-06 / Last 28 days