ZG25 San Francisco→Narita (SFO→NRT)
Latest operation On 2026-10-4 it departed 18 min late and arrived 26 min late
Cancellation: 0% / Diversion: 0% / Avg delay when late: 27min
2026-9-9 – 2026-10-4 ・ 25 flights ・ Includes estimates 1 estimated
Some airlines do not publish gate departure/arrival times. For those flights we estimate the gate times from the takeoff/landing record and the airport's measured taxi times (validated at 3.5 min mean error, 94.4% agreement on the on-time call). Without the estimate, those airlines' flights would drop out of the sample entirely and cross-airline comparison would break.
Flight time & service
- Flight time (scheduled)
- 10h 45m
Flight time is the median scheduled gate-to-gate (block) time; the actual average excludes cancelled and diverted flights
Related
Daily operations
| Date | STD | ATD | STA | ATA | Aircraft | Tail | Block | vs schedule−60 ｜ +60 |
|---|---|---|---|---|---|---|---|---|
| 2026-10-4 | 16:45 | 17:03+18 | 20:00+1 | —+26 | B788 | JA828J | — | |
| 2026-10-3 | 16:45 | 17:08+23 | 20:00+1 | —+6 | B788 | JA828J | — | |
| 2026-10-2 | 16:45 | 16:51+6 | 20:00+1 | —+4 | B788 | JA827J | — | |
| 2026-10-1 | 16:45 | 17:14+29 | 20:00+1 | —+12 | B788 | JA827J | — | |
| 2026-9-30 | 17:15 | 17:40+25 | 20:00+1 | —+60 | B788 | JA850J | — | |
| 2026-9-29 | 17:15 | 18:07+52 | 20:00+1 | —+78 | B788 | JA851J | — | |
| 2026-9-28 | 17:15 | 17:45+30 | 20:00+1 | —+59 | B788 | JA851J | — | |
| 2026-9-27 | 17:15 | 17:27+12 | 20:00+1 | —+40 | B788 | JA825J | — | |
| 2026-9-26 | 17:15 | 17:35+20 | 20:00+1 | —+53 | B788 | JA825J | — | |
| 2026-9-25 | 17:15 | 17:41+26 | 20:00+1 | —+56 | B788 | JA825J | — | |
| 2026-9-24 | 17:15 | 17:29+14 | 20:00+1 | 20:23+1+23 | B788 | JA826J | 10:54 | |
| 2026-9-23 | 17:15 | 17:40+25 | 20:00+1 | —+35 | B788 | JA851J | — | |
| 2026-9-22 | 17:15 | 17:25+10 | 20:00+1 | 20:25+1+25 | B788 | JA851J | 11:00 | |
| 2026-9-21 | 17:15 | —−144 | 20:00+1 | —−120 | B788 | JA851J | — | |
| 2026-9-19 | 17:15 | 17:46+31 | 20:00+1 | 20:15+1+15 | B788 | JA827J | 10:29 | |
| 2026-9-18 | 17:15 | 17:40+25 | 20:00+1 | —+47 | B788 | JA827J | — | |
| 2026-9-17 | 17:15 | 17:31+16 | 20:00+1 | —+31 | B788 | JA827J | — | |
| 2026-9-16 | 17:15 | 17:31+16 | 20:00+1 | —−4 | B788 | JA827J | — | |
| 2026-9-15 | 17:15 | 17:35+20 | 20:00+1 | —−2 | B788 | JA827J | — | |
| 2026-9-14 | 17:15 | 17:34+19 | 20:00+1 | —+24 | B788 | JA827J | — | |
| 2026-9-13 | 17:15 | 17:40+25 | 20:00+1 | —+28 | B788 | JA827J | — | |
| 2026-9-12 | 17:15 | 18:10+55 | 20:00+1 | —+48 | B788 | JA825J | — | |
| 2026-9-11 | 17:15 | 17:21+6 | 20:00+1 | 20:01+1+1 | B788 | JA825J | 10:40 | |
| 2026-9-10 | 17:15 | 17:25+10 | 20:00+1 | —+56 | B788 | JA827J | — | |
| 2026-9-9 | 17:15 | 17:24+9 | 20:00+1 | —+2 | B788 | JA827J | — |
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
Days with n<5 are indicative. The last 2 days are pending confirmation and not yet included
Monthly trend
| On-time departure | Avg delay when late | n | ||
|---|---|---|---|---|
| 2026-10 | — | Collecting data | +26min | n=3 |
| 2026-09 | 32.1% | +28min | n=28 | |
| 2026-08 | 14.8% | +33min | n=27 | |
| 2026-07 | 9.1% | +40min | n=11 | |
Avg delay when late counts only flights that departed more than 15 minutes behind schedule
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Updated: / Last 28 days
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