UA838 Kaohsiung→Narita (KHH→NRT) / Narita→San Francisco (NRT→SFO)
Latest operation On 2026-10-5 it departed 8 min early and arrived 5 min late
Cancellation: 3.8% / Diversion: 0% / Avg delay when late: 102min
2026-9-9 – 2026-10-5 ・ 53 flights
Flight time & service
- Flight time (scheduled)
- 3h 50mActual average 3h 43m
Flight time is the median scheduled gate-to-gate (block) time; the actual average excludes cancelled and diverted flights
Related
Daily operations
| Date | Leg | STD | ATD | STA | ATA | Aircraft | Tail | Block | vs schedule−60 ｜ +60 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-10-5 | NRT-SFO | 17:05 | 16:57−8 | 10:35 | 10:40+5 | B77W | N2140U | 9:43 | |
| 2026-10-5 | KHH-NRT | 09:55 | 09:55±0 | 14:45 | 14:37−8 | B38M | N17326 | 3:42 | |
| 2026-10-4 | NRT-SFO | 17:05 | 17:04−1 | 10:35 | 09:59−36 | B77W | N2645U | 8:55 | |
| 2026-10-4 | KHH-NRT | 09:55 | 09:52−3 | 14:45 | 14:34−11 | B38M | N37319 | 3:42 | |
| 2026-10-3 | NRT-SFO | 17:05 | 17:03−2 | 10:35 | 10:03−32 | B77W | N2333U | 9:00 | |
| 2026-10-3 | KHH-NRT | 09:55 | 09:50−5 | 14:45 | 15:04+19 | B38M | N17303 | 4:14 | |
| 2026-10-2 | NRT-SFO | 17:05 | 17:00−5 | 10:35 | 10:21−14 | B77W | N2332U | 9:21 | |
| 2026-10-2 | KHH-NRT | 09:55 | 09:59+4 | 14:45 | 14:30−15 | B38M | N37319 | 3:31 | |
| 2026-10-1 | NRT-SFO | 17:05 | 16:59−6 | 10:35 | 10:01−34 | B77W | N2341U | 9:02 | |
| 2026-10-1 | KHH-NRT | 09:55 | 09:53−2 | 14:45 | 14:36−9 | B38M | N17322 | 3:43 | |
| 2026-9-30 | NRT-SFO | 17:05 | 17:06+1 | 10:35 | 10:36+1 | B77W | N2737U | 9:30 | |
| 2026-9-30 | KHH-NRT | 09:55 | 09:42−13 | 14:45 | 14:20−25 | B38M | N37319 | 3:38 | |
| 2026-9-29 | NRT-SFO | 17:05 | 17:12+7 | 10:35 | 10:25−10 | B77W | N2748U | 9:13 | |
| 2026-9-29 | KHH-NRT | 09:55 | 09:59+4 | 14:45 | 14:41−4 | B38M | N17316 | 3:42 | |
| 2026-9-28 | NRT-SFO | 17:05 | Cancelled | B77W | N2138U | — | |||
| 2026-9-28 | KHH-NRT | 09:55 | 09:44−11 | 14:45 | 14:46+1 | B38M | N17309 | 4:02 | |
| 2026-9-27 | NRT-SFO | 17:05 | 17:29+24 | 10:35 | 10:28−7 | B77W | N2136U | 8:59 | |
| 2026-9-27 | KHH-NRT | 09:55 | 09:51−4 | 14:45 | 14:32−13 | B38M | N17306 | 3:41 | |
| 2026-9-26 | NRT-SFO | 17:05 | 17:09+4 | 10:35 | 10:40+5 | B77W | N2250U | 9:31 | |
| 2026-9-26 | KHH-NRT | 09:55 | 10:01+6 | 14:45 | 14:28−17 | B38M | N17309 | 3:27 | |
| 2026-9-25 | NRT-SFO | 17:05 | 19:48+163 | 10:35 | 12:29+114 | B77W | N2331U | 8:41 | |
| 2026-9-25 | KHH-NRT | 09:55 | 09:48−7 | 14:45 | 14:25−20 | B38M | N27304 | 3:37 | |
| 2026-9-24 | NRT-SFO | 17:05 | 16:58−7 | 10:35 | 09:53−42 | B77W | N2737U | 8:55 | |
| 2026-9-24 | KHH-NRT | 09:55 | 09:49−6 | 14:45 | 14:20−25 | B38M | N17322 | 3:31 | |
| 2026-9-23 | NRT-SFO | 17:05 | 17:02−3 | 10:35 | 10:35±0 | B77W | N2250U | 9:33 | |
| 2026-9-23 | KHH-NRT | 09:55 | 09:50−5 | 14:45 | 14:25−20 | B38M | N27304 | 3:35 | |
| 2026-9-22 | NRT-SFO | 17:05 | 17:16+11 | 10:35 | 10:26−9 | B77W | N2138U | 9:10 | |
| 2026-9-22 | KHH-NRT | 09:55 | 09:46−9 | 14:45 | 14:22−23 | B38M | N17316 | 3:36 | |
| 2026-9-21 | NRT-SFO | 17:05 | Cancelled | B77W | N2341U | — | |||
| 2026-9-20 | NRT-SFO | 17:05 | 17:05±0 | 10:35 | 10:48+13 | B77W | N2639U | 9:43 | |
| 2026-9-20 | KHH-NRT | 09:55 | 09:58+3 | 14:45 | 14:45±0 | B38M | N37319 | 3:47 | |
| 2026-9-19 | NRT-SFO | 17:05 | 17:03−2 | 10:35 | 10:14−21 | B77W | N2332U | 9:11 | |
| 2026-9-19 | KHH-NRT | 09:55 | 09:48−7 | 14:45 | 14:40−5 | B38M | N17316 | 3:52 | |
| 2026-9-18 | NRT-SFO | 17:05 | 17:07+2 | 10:35 | 10:19−16 | B77W | N2352U | 9:12 | |
| 2026-9-18 | KHH-NRT | 09:55 | 09:42−13 | 14:45 | 14:23−22 | B38M | N17309 | 3:41 | |
| 2026-9-17 | NRT-SFO | 17:05 | 19:04+119 | 10:35 | 12:34+119 | B77W | N2846U | 9:30 | |
| 2026-9-17 | KHH-NRT | 09:55 | 09:49−6 | 14:45 | 14:26−19 | B38M | N17306 | 3:37 | |
| 2026-9-16 | NRT-SFO | 17:05 | 17:05±0 | 10:35 | 11:00+25 | B77W | N2135U | 9:55 | |
| 2026-9-16 | KHH-NRT | 09:55 | 09:46−9 | 14:45 | 14:22−23 | B38M | N17309 | 3:36 | |
| 2026-9-15 | NRT-SFO | 17:05 | 17:12+7 | 10:35 | 11:25+50 | B77W | N2250U | 10:13 | |
| 2026-9-15 | KHH-NRT | 09:55 | 09:45−10 | 14:45 | 14:25−20 | B38M | N17316 | 3:40 | |
| 2026-9-14 | NRT-SFO | 17:05 | 17:01−4 | 10:35 | 10:37+2 | B77W | N2352U | 9:36 | |
| 2026-9-14 | KHH-NRT | 09:55 | 09:44−11 | 14:45 | 14:32−13 | B38M | N17306 | 3:48 | |
| 2026-9-13 | NRT-SFO | 17:05 | 17:11+6 | 10:35 | 10:36+1 | B77W | N2644U | 9:25 | |
| 2026-9-13 | KHH-NRT | 09:55 | 09:53−2 | 14:45 | 14:54+9 | B38M | N17303 | 4:01 | |
| 2026-9-12 | NRT-SFO | 17:05 | 16:57−8 | 10:35 | 10:07−28 | B77W | N2243U | 9:10 | |
| 2026-9-12 | KHH-NRT | 09:55 | 09:56+1 | 14:45 | 14:41−4 | B38M | N17306 | 3:45 | |
| 2026-9-11 | NRT-SFO | 17:05 | 17:00−5 | 10:35 | 10:08−27 | B77W | N2341U | 9:08 | |
| 2026-9-11 | KHH-NRT | 09:55 | 10:08+13 | 14:45 | 14:44−1 | B38M | N17302 | 3:36 | |
| 2026-9-10 | NRT-SFO | 17:05 | 16:56−9 | 10:35 | 10:58+23 | B77W | N2747U | 10:02 | |
| 2026-9-10 | KHH-NRT | 09:55 | 09:53−2 | 14:45 | 14:28−17 | B38M | N27304 | 3:35 | |
| 2026-9-9 | NRT-SFO | 17:05 | 16:57−8 | 10:35 | 13:01+146 | B772 | N78001 | 12:04 | |
| 2026-9-9 | KHH-NRT | 09:55 | 09:43−12 | 14:45 | 14:34−11 | B38M | N17302 | 3:51 | |
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
Monthly trend
| On-time departure | Avg delay when late | n | ||
|---|---|---|---|---|
| 2026-10 | 100% | — | n=6 | |
| 2026-09 | 91.1% | +77min | n=56 | |
| 2026-08 | 93.3% | +68min | n=60 | |
| 2026-07 | 81.5% | +92min | n=27 | |
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
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Updated: / Last 28 days
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