Is UA1229 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Detroit)
4 min late
Updated
Departure
Detroit
DTW
Actual
Aug 23
Arrival
San Francisco
SFO
Actual
Aug 23
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Service date: · Scheduled departure date (America/Los_Angeles)
102 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
San Francisco
SFO
Actual
Aug 23
Arrival
Newark
EWR
Scheduled
Aug 23
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 13 min early
IAH → AUS
- 22 min early
IAH → AUS
- 11 min early
IAH → AUS
- 4 min early
IAH → AUS
- 13 min early
IAH → AUS
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 25
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 2
- Observed occurrences
- 42
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 17, 2026Arrived | Houston | Austin | -13 | |
| Sep 16, 2026Arrived | Houston | Austin | -22 | |
| Sep 15, 2026Arrived | Houston | Austin | -11 | |
| Sep 14, 2026Arrived | Houston | Austin | -4 | |
| Sep 11, 2026Arrived | Houston | Austin | -13 | |
| Sep 10, 2026Arrived | Houston | Austin | -11 | |
| Sep 9, 2026Arrived | Houston | Austin | -2 | |
| Sep 8, 2026Arrived | Houston | Austin | -20 | |
| Sep 7, 2026Arrived | Detroit | San Francisco | -14 | |
| Sep 6, 2026Arrived | Detroit | San Francisco | -8 | |
| Sep 5, 2026Arrived | Los Angeles | Lihue | 10 | |
| Sep 4, 2026Arrived | Detroit | San Francisco | -24 | |
| Sep 3, 2026Arrived | Detroit | San Francisco | -10 | |
| Sep 3, 2026Cancelled | San Diego | Not available | Not available | |
| Sep 2, 2026Arrived | Detroit | San Francisco | -15 | |
| Sep 2, 2026Cancelled | San Diego | Not available | Not available | |
| Sep 1, 2026Arrived | San Francisco | Miami | 10 | |
| Aug 31, 2026Arrived | Detroit | San Francisco | -1 | |
| Aug 30, 2026Arrived | Detroit | San Francisco | 31 | |
| Aug 28, 2026Arrived | Detroit | San Francisco | -2 | |
| Aug 27, 2026Arrived | Detroit | San Francisco | -5 | |
| Aug 26, 2026Arrived | Detroit | San Francisco | 2 | |
| Aug 25, 2026Arrived | San Francisco | Miami | -9 | |
| Aug 24, 2026Arrived | Detroit | San Francisco | 0 | |
| Aug 23, 2026Arrived | Detroit | San Francisco | 4 | |
| Aug 21, 2026Arrived | Detroit | San Francisco | -21 | |
| Aug 19, 2026Arrived | Detroit | San Francisco | -11 |