UA7 George Bush Intercontinental→Narita (IAH→NRT) / Narita→Ulaanbaatar Chinggis Khaan (NRT→UBN) / San Francisco→Narita (SFO→NRT)

Latest operation On 2026-10-4 it was cancelled

Cancellation: 2.8% / Diversion: 0% / Avg delay when late: 150min

2026-9-9 – 2026-10-4 ・ 36 flights

Flight time & service

Flight time (scheduled): 13h 50mActual average 13h 46m

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

Daily operations

Date	Leg	STD	ATD	STA	ATA	Aircraft	Tail	Block
2026-10-4	NRT-UBN	16:30	Cancelled			B38M	N17316	—
2026-10-4	IAH-NRT	10:10	10:13+3	14:00+1	14:07+1+7	B789	N24976	13:54
2026-10-3	IAH-NRT	10:10	10:03−7	14:00+1	13:43+1−17	B789	N29968	13:40
2026-10-2	IAH-NRT	10:10	10:30+20	14:00+1	14:30+1+30	B789	N29978	14:00
2026-10-1	NRT-UBN	16:30	16:31+1	12:55	13:04+9	B38M	N17303	5:33
2026-10-1	IAH-NRT	10:10	10:16+6	14:00+1	14:44+1+44	B789	N45956	14:28
2026-9-30	IAH-NRT	10:10	11:28+78	14:00+1	15:06+1+66	B789	N35953	13:38
2026-9-29	NRT-UBN	16:30	18:15+105	12:55	14:53+118	B38M	N17322	5:38
2026-9-29	IAH-NRT	10:10	16:49+399	14:00+1	21:12+1+432	B789	N25982	14:23
2026-9-28	IAH-NRT	10:10	10:11+1	14:00+1	14:10+1+10	B789	N29991	13:59
2026-9-27	NRT-UBN	16:30	16:23−7	12:55	13:11+16	B38M	N17316	5:48
2026-9-27	IAH-NRT	10:10	10:06−4	14:00+1	13:56+1−4	B789	N24979	13:50
2026-9-26	IAH-NRT	10:10	09:55−15	14:00+1	13:55+1−5	B789	N24990	14:00
2026-9-25	IAH-NRT	10:10	10:08−2	14:00+1	13:42+1−18	B789	N26970	13:34
2026-9-24	NRT-UBN	16:30	16:30±0	12:55	12:43−12	B38M	N17309	5:13
2026-9-24	IAH-NRT	10:10	10:08−2	14:00+1	13:29+1−31	B789	N24972	13:21
2026-9-23	IAH-NRT	10:10	10:05−5	14:00+1	14:01+1+1	B789	N19986	13:56
2026-9-22	NRT-UBN	16:30	16:50+20	12:55	13:03+8	B38M	N17322	5:13
2026-9-22	IAH-NRT	10:10	10:04−6	14:00+1	13:55+1−5	B789	N26970	13:51
2026-9-21	IAH-NRT	10:10	10:13+3	14:00+1	14:14+1+14	B789	N26960	14:01
2026-9-20	NRT-UBN	16:30	16:21−9	12:55	12:40−15	B38M	N17322	5:19
2026-9-19	IAH-NRT	10:10	10:03−7	14:00+1	13:38+1−22	B789	N24988	13:35
2026-9-18	IAH-NRT	10:10	10:06−4	14:00+1	13:25+1−35	B789	N27958	13:19
2026-9-17	NRT-UBN	16:30	17:25+55	12:55	13:41+46	B38M	N17316	5:16
2026-9-17	IAH-NRT	10:10	10:06−4	14:00+1	13:40+1−20	B789	N38955	13:34
2026-9-16	SFO-NRT	08:10	16:14+484	14:00+1	18:54+1+294	B789	N24990	10:40
2026-9-15	NRT-UBN	16:30	16:45+15	12:55	12:59+4	B38M	N17306	5:14
2026-9-15	IAH-NRT	10:10	10:04−6	14:00+1	13:24+1−36	B789	N27958	13:20
2026-9-14	IAH-NRT	10:10	10:49+39	14:00+1	14:13+1+13	B789	N38950	13:24
2026-9-13	NRT-UBN	16:30	16:26−4	12:55	12:34−21	B38M	N17316	5:08
2026-9-13	IAH-NRT	10:10	10:02−8	14:00+1	13:47+1−13	B789	N24976	13:45
2026-9-12	IAH-NRT	10:10	10:19+9	14:00+1	14:13+1+13	B789	N26970	13:54
2026-9-11	IAH-NRT	10:10	10:05−5	14:00+1	13:50+1−10	B789	N27997	13:45
2026-9-10	NRT-UBN	16:30	16:40+10	12:55	12:59+4	B38M	N17306	5:19
2026-9-10	IAH-NRT	10:10	10:01−9	14:00+1	13:45+1−15	B789	N28987	13:44
2026-9-9	IAH-NRT	10:10	10:01−9	14:00+1	13:37+1−23	B789	N23983	13:36

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

90.9%n=11

Arr

100%n=11

Tue

Dep

77.3%n=22

Arr

86.4%n=22

Wed

Dep

75%n=12

Arr

75%n=12

Thu

Dep

95.8%n=24

Arr

91.7%n=24

Fri

Dep

81.8%n=11

Arr

81.8%n=11

Sat

Dep

100%n=12

Arr

100%n=12

Sun

Dep

81%n=21

Arr

81%n=21

Monthly trend

	On-time departure		Avg delay when late	n
2026-10	—	Collecting data	+20min	n=4
2026-09		82.9%	+169min	n=41
2026-08		90.9%	+74min	n=44
2026-07		83.3%	+122min	n=24

Avg delay when late counts only flights that departed more than 15 minutes behind schedule

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Updated: 2026-10-06 / Last 28 days