| LAST SEEN 34 MINUTES AGO |
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San Francisco, United States| LATE 2 hour 44 min |

Not Rated
| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Mon, 15 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | |||
| Sun, 14 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | 22:44 HKT | 07:53 PDT | |
| Sat, 13 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2639U (Boeing B77W) | 23:38 HKT | 19:56 PDT |
| Fri, 12 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2243U (Boeing B77W) | 22:57 HKT | 20:32 PDT |
| Thu, 11 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2846U ( B77W) | 22:34 HKT | 19:03 PDT |
| Wed, 10 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | 22:42 HKT | 19:45 PDT | |
| Tue, 09 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2639U (Boeing B77W) | 22:37 HKT | 19:19 PDT |
| Mon, 08 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2846U ( B77W) | 22:41 HKT | 19:24 PDT |
| Sun, 07 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2243U (Boeing B77W) | 22:41 HKT | 19:43 PDT |
| Sat, 06 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2331U (Boeing B77W) | 22:45 HKT | 20:09 PDT |
| Fri, 05 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2135U (Boeing B77W) | 22:51 HKT | 20:23 PDT |
| Thu, 04 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2737U (Boeing B77W) | 22:34 HKT | 19:05 PDT |
| Wed, 03 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | 22:47 HKT | 20:08 PDT | |
| Tue, 02 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | 23:39 HKT | 21:07 PDT | |
| Mon, 01 Jun | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | 22:36 HKT | 19:45 PDT | |
| Sun, 31 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2341U ( B77W) | 22:45 HKT | 11:30 PDT |
| Sat, 30 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2534U ( B77W) | 22:44 HKT | 19:45 PDT |
| Thu, 28 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2639U (Boeing B77W) | 22:42 HKT | 19:45 PDT |
| Wed, 27 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2333U (Boeing B77W) | 22:49 HKT | 20:23 PDT |
| Tue, 26 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | 22:36 HKT | 19:40 PDT | |
| Mon, 25 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | 22:46 HKT | 20:23 PDT | |
| Sun, 24 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2142U (Boeing B77W) | 22:42 HKT | 19:31 PDT |
| Sat, 23 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2644U ( B77W) | 02:05 HKT | 12:15 PDT |
| Fri, 22 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | N2846U ( B77W) | 04:01 HKT | 16:39 PDT |
| Thu, 21 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:35 PDT | 22:41 HKT | 20:13 PDT | |
| Wed, 20 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2333U (Boeing B77W) | 22:33 HKT | 19:44 PDT |
| Tue, 19 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2136U (Boeing B77W) | 22:53 HKT | 19:34 PDT |
| Mon, 18 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2332U (Boeing B77W) | 22:50 HKT | 19:41 PDT |
| Sun, 17 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2737U (Boeing B77W) | 22:48 HKT | 20:40 PDT |
| Sat, 16 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | 22:39 HKT | 19:53 PDT | |
| Fri, 15 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2243U (Boeing B77W) | 22:44 HKT | 19:35 PDT |
| Thu, 14 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2331U (Boeing B77W) | 22:41 HKT | 20:19 PDT |
| Wed, 13 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2138U ( B77W) | 22:43 HKT | 19:28 PDT |
| Tue, 12 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2333U (Boeing B77W) | 22:58 HKT | 19:51 PDT |
| Mon, 11 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | 22:40 HKT | 20:14 PDT | |
| Sun, 10 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | 22:42 HKT | 20:03 PDT | |
| Sat, 09 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2243U (Boeing B77W) | 22:42 HKT | 19:51 PDT |
| Fri, 08 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | 22:40 HKT | 19:35 PDT | |
| Thu, 07 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | 22:39 HKT | 19:22 PDT | |
| Wed, 06 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | 22:35 HKT | 20:17 PDT | |
| Tue, 05 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2737U (Boeing B77W) | 22:42 HKT | 19:41 PDT |
| Mon, 04 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2142U (Boeing B77W) | 22:42 HKT | 19:50 PDT |
| Sun, 03 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | 23:45 HKT | 21:10 PDT | |
| Sat, 02 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2243U (Boeing B77W) | 22:43 HKT | 20:08 PDT |
| Fri, 01 May | UA878 | Hong Kong Intl (HKG) | San Francisco Intl (SFO) | 22:30 HKT | 20:05 PDT | N2534U ( B77W) | 22:47 HKT | 19:46 PDT |