Is UA4678 delayed?
No — UA4678 landed in San Francisco 31 min early, at 07:04 on Oct 1 (as of Oct 1, 14:46 UTC).
Usually on time: arrived within 15 min of schedule on 23 of the last 24 flights.
31 min early
Official source · Updated
Departure
Boise
BOI
Scheduled
Not available
Arrival
San Francisco
SFO
Actual
Scheduled 07:35
Oct 1
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Market settled: On time.
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Also sold as AC3995, NZ9393
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 31 min early
Boise → San Francisco
- 37 min late
Boise → San Francisco
- 10 min early
Boise → San Francisco
- 22 min early
Boise → San Francisco
- 29 min early
Boise → San Francisco
Is UA4678 usually late?
Observation window: Sep 2, 2026 – Oct 2, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
San Francisco (SFO) departures
- Left more than 15 min late
- 218 of 410
- Cancelled today
- 3
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 1, 2026Arrived | Boise | San Francisco | -31 | |
| Sep 28, 2026Arrived | Boise | San Francisco | 37 | |
| Sep 27, 2026Arrived | Boise | San Francisco | -10 | |
| Sep 25, 2026Arrived | Boise | San Francisco | -22 | |
| Sep 24, 2026Arrived | Boise | San Francisco | -29 | |
| Sep 23, 2026Arrived | Boise | San Francisco | -28 | |
| Sep 22, 2026Arrived | Boise | San Francisco | -38 | |
| Sep 21, 2026Arrived | Boise | San Francisco | -30 | |
| Sep 20, 2026Arrived | Boise | San Francisco | -14 | |
| Sep 19, 2026Arrived | Boise | San Francisco | -23 | |
| Sep 18, 2026Arrived | Boise | San Francisco | -25 | |
| Sep 17, 2026Arrived | Boise | San Francisco | -21 | |
| Sep 16, 2026Arrived | Boise | San Francisco | -23 | |
| Sep 14, 2026Arrived | Boise | San Francisco | 0 | |
| Sep 13, 2026Arrived | Boise | San Francisco | -11 | |
| Sep 12, 2026Arrived | Boise | San Francisco | -24 | |
| Sep 11, 2026Arrived | Boise | San Francisco | -21 | |
| Sep 10, 2026Arrived | Boise | San Francisco | -15 | |
| Sep 9, 2026Arrived | Boise | San Francisco | -16 | |
| Sep 8, 2026Arrived | Boise | San Francisco | 4 | |
| Sep 7, 2026Arrived | Boise | San Francisco | -18 | |
| Sep 6, 2026Arrived | Boise | San Francisco | -6 | |
| Sep 5, 2026Arrived | Boise | San Francisco | -17 | |
| Sep 4, 2026Arrived | Boise | San Francisco | -12 |
Email me if UA4678 runs late
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