Is UA4733 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
10 min late
Official source · Updated
Departure
Boise
BOI
Actual
Scheduled 18:06
Sep 17
Arrival
San Francisco
SFO
Actual
Scheduled 12:47
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
BOISFO
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 22 min late
RNO → LAX
- 84 min late
BOI → SFO
- 10 min late
BOI → SFO
- 6 min early
BOI → SFO
- 7 min early
RNO → LAX
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 11
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 11
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 19, 2026Arrived | Reno | Los Angeles | 22 | |
| Sep 18, 2026Arrived | Boise | San Francisco | 84 | |
| Sep 17, 2026Arrived | Boise | San Francisco | 10 | |
| Sep 16, 2026Arrived | Boise | San Francisco | -6 | |
| Sep 15, 2026Arrived | Reno | Los Angeles | -7 | |
| Sep 14, 2026Arrived | Boise | San Francisco | -3 | |
| Sep 13, 2026Arrived | Boise | San Francisco | -5 | |
| Sep 12, 2026Arrived | Reno | Los Angeles | -23 | |
| Sep 8, 2026Arrived | Reno | Los Angeles | 84 | |
| Sep 7, 2026Arrived | Boise | San Francisco | -17 | |
| Sep 4, 2026Arrived | Boise | San Francisco | -5 |