Is UA643 delayed?
No delay reported yet — UA643 is scheduled to leave Santa Ana at 22:27 on Sep 27 and reach Houston at 20:26 (as of Sep 27, 15:26 UTC). Over its last 73 recorded arrivals, 7 landed more than 15 min late.
Each route and date is shown separately. Confirm that both airports match your booking.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Santa Ana
SNA
Scheduled
Sep 27
Arrival
Houston
IAH
Scheduled
Sep 27
Times shown in airport local time
Service date: · Scheduled departure date (UTC)
Think UA643 runs late today? Delayed is trading at 20¢ — pays out x4.97.
Will United Airlines UAL 643 from Santa Ana to Houston arrive on time, be delayed, or be cancelled on Sep 27?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
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.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
San Francisco
SFO
Scheduled
Sep 27
Arrival
Santa Ana
SNA
Scheduled
Sep 27
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
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.
26 min early
Official source · Updated
Departure
Las Vegas
LAS
Scheduled
Not available
Arrival
San Francisco
SFO
Actual
Sep 27
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
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
LAS → SFO
- 37 min early
SNA → IAH
- 8 min early
SFO → SNA
- 18 min late
SNA → IAH
- On schedule (1 min behind)
SFO → SNA
Flight history and details
Aug 28, 2026 — Sep 27, 2026
- Observed arrivals
- 73
- Arrivals over 15 minutes late
- 7
- Observed cancellations
- 0
- Observed occurrences
- 82
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 27, 2026Arrived | Las Vegas | San Francisco | -26 | |
| Sep 26, 2026Arrived | Santa Ana | Houston | -37 | |
| Sep 26, 2026Arrived | San Francisco | Santa Ana | -8 | |
| Sep 25, 2026Arrived | Santa Ana | Houston | 18 | |
| Sep 25, 2026Arrived | San Francisco | Santa Ana | 1 | |
| Sep 25, 2026Arrived | Las Vegas | San Francisco | -27 | |
| Sep 24, 2026Arrived | Santa Ana | Houston | 20 | |
| Sep 24, 2026Arrived | San Francisco | Santa Ana | -11 | |
| Sep 24, 2026Arrived | Las Vegas | San Francisco | -23 | |
| Sep 23, 2026Arrived | Santa Ana | Houston | -28 | |
| Sep 23, 2026Arrived | San Francisco | Santa Ana | 11 | |
| Sep 23, 2026Arrived | Las Vegas | San Francisco | -32 | |
| Sep 22, 2026Arrived | Santa Ana | Houston | -15 | |
| Sep 22, 2026Arrived | San Francisco | Santa Ana | 98 | |
| Sep 22, 2026Arrived | Las Vegas | San Francisco | 6 | |
| Sep 21, 2026Arrived | Santa Ana | Houston | -23 | |
| Sep 21, 2026Arrived | San Francisco | Santa Ana | -7 | |
| Sep 21, 2026Arrived | Las Vegas | San Francisco | -25 | |
| Sep 20, 2026Arrived | Santa Ana | Houston | -8 | |
| Sep 20, 2026Arrived | San Francisco | Santa Ana | -14 | |
| Sep 20, 2026Arrived | Las Vegas | San Francisco | 7 | |
| Sep 19, 2026Arrived | Santa Ana | Houston | 7 | |
| Sep 19, 2026Arrived | San Francisco | Santa Ana | -16 | |
| Sep 19, 2026Arrived | Las Vegas | San Francisco | -18 | |
| Sep 18, 2026Arrived | Santa Ana | Houston | -11 | |
| Sep 18, 2026Arrived | San Francisco | Santa Ana | 15 | |
| Sep 18, 2026Arrived | Las Vegas | San Francisco | -20 | |
| Sep 17, 2026Arrived | Santa Ana | Houston | -13 | |
| Sep 17, 2026Arrived | San Francisco | Santa Ana | 18 | |
| Sep 17, 2026Arrived | Las Vegas | San Francisco | -13 | |
| Sep 16, 2026Arrived | Santa Ana | Houston | 9 | |
| Sep 16, 2026Arrived | San Francisco | Santa Ana | 24 | |
| Sep 16, 2026Arrived | Las Vegas | San Francisco | 9 | |
| Sep 15, 2026Arrived | Santa Ana | Houston | -14 | |
| Sep 15, 2026Arrived | San Francisco | Santa Ana | -25 | |
| Sep 15, 2026Arrived | Las Vegas | San Francisco | -26 | |
| Sep 14, 2026Arrived | Santa Ana | Houston | -20 | |
| Sep 14, 2026Arrived | Las Vegas | San Francisco | -22 | |
| Sep 13, 2026Arrived | Santa Ana | Houston | 0 | |
| Sep 13, 2026Arrived | Las Vegas | San Francisco | -20 | |
| Sep 12, 2026Arrived | Santa Ana | Houston | -16 | |
| Sep 12, 2026Arrived | San Francisco | Santa Ana | -2 | |
| Sep 12, 2026Arrived | Las Vegas | San Francisco | -22 | |
| Sep 11, 2026Arrived | Santa Ana | Houston | -22 | |
| Sep 11, 2026Arrived | Las Vegas | San Francisco | -26 | |
| Sep 10, 2026Arrived | Santa Ana | Houston | 0 | |
| Sep 10, 2026Arrived | San Francisco | Santa Ana | -14 | |
| Sep 10, 2026Arrived | Las Vegas | San Francisco | -26 | |
| Sep 9, 2026Arrived | Santa Ana | Houston | -20 | |
| Sep 9, 2026Arrived | San Francisco | Santa Ana | 66 | |
| Sep 9, 2026Arrived | Las Vegas | San Francisco | -22 | |
| Sep 8, 2026Arrived | Santa Ana | Houston | 7 | |
| Sep 8, 2026Arrived | San Francisco | Santa Ana | -25 | |
| Sep 8, 2026Arrived | Las Vegas | San Francisco | -25 | |
| Sep 7, 2026Arrived | Santa Ana | Houston | 4 | |
| Sep 7, 2026Arrived | San Francisco | Santa Ana | -21 | |
| Sep 7, 2026Arrived | Las Vegas | San Francisco | -26 | |
| Sep 6, 2026Arrived | Santa Ana | Houston | -10 | |
| Sep 6, 2026Arrived | San Francisco | Santa Ana | -14 | |
| Sep 6, 2026Arrived | Las Vegas | San Francisco | -26 | |
| Sep 5, 2026Arrived | Santa Ana | Houston | 101 | |
| Sep 5, 2026Arrived | San Francisco | Santa Ana | -18 | |
| Sep 5, 2026Arrived | Las Vegas | San Francisco | -21 | |
| Sep 4, 2026Arrived | Santa Ana | Houston | -2 | |
| Sep 4, 2026Arrived | San Francisco | Santa Ana | -16 | |
| Sep 4, 2026Arrived | Las Vegas | San Francisco | -15 | |
| Sep 3, 2026Arrived | Las Vegas | San Francisco | -31 | |
| Sep 2, 2026Arrived | San Francisco | Santa Ana | -34 | |
| Sep 2, 2026Arrived | Las Vegas | San Francisco | -30 | |
| Sep 1, 2026Arrived | Las Vegas | San Francisco | -30 | |
| Aug 31, 2026Arrived | Las Vegas | San Francisco | -29 | |
| Aug 30, 2026Arrived | Las Vegas | San Francisco | -22 | |
| Aug 29, 2026Arrived | Las Vegas | San Francisco | -21 |