United Airlines
Is UA4633 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
197 min late
Official source · Updated
Departure
Monterey
MRY
Scheduled
Not available
Arrival
San Francisco
SFO
Actual
Sep 20
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Service date: · Scheduled departure date (UTC)
15 min early
Official source · Updated
Departure
Monterey
MRY
Actual
Sep 20
Arrival
San Francisco
SFO
Actual
Sep 19
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 26 min early
MRY → SFO
- 48 min late
MRY → SFO
- 54 min early
MRY → SFO
- 197 min late
MRY → SFO
- 15 min early
MRY → SFO
Flight history and details
Aug 24, 2026 — Sep 23, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 6
- Observed cancellations
- 0
- Observed occurrences
- 20
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 22, 2026Arrived | Monterey | San Francisco | -26 | |
| Sep 21, 2026Arrived | Monterey | San Francisco | 48 | |
| Sep 21, 2026Arrived | Monterey | San Francisco | -54 | |
| Sep 20, 2026Arrived | Monterey | San Francisco | 197 | |
| Sep 20, 2026Arrived | Monterey | San Francisco | -15 | |
| Sep 18, 2026Arrived | Monterey | San Francisco | -15 | |
| Sep 17, 2026Arrived | Monterey | San Francisco | 61 | |
| Sep 17, 2026Arrived | Monterey | San Francisco | 65 | |
| Sep 16, 2026Arrived | Monterey | San Francisco | -7 | |
| Sep 14, 2026Arrived | Monterey | San Francisco | -15 | |
| Sep 14, 2026Arrived | Monterey | San Francisco | 4 | |
| Sep 12, 2026Arrived | Monterey | San Francisco | -22 | |
| Sep 11, 2026Arrived | Monterey | San Francisco | -26 | |
| Sep 10, 2026Arrived | Monterey | San Francisco | -21 | |
| Sep 9, 2026Arrived | Monterey | San Francisco | -19 | |
| Sep 9, 2026Arrived | Monterey | San Francisco | -17 | |
| Sep 7, 2026Arrived | Monterey | San Francisco | 49 | |
| Sep 5, 2026Arrived | Monterey | San Francisco | 44 | |
| Sep 4, 2026Arrived | Monterey | San Francisco | -34 | |
| Sep 3, 2026Arrived | Monterey | San Francisco | -22 |