Is UA1678 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/New_York)
Arrived
19 min early
Official source · Updated
Departure
Washington
DCA
Actual
Scheduled 19:50
Sep 8
Arrival
Houston
IAH
Actual
Scheduled 21:43
Sep 8
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
21 min late
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 08:42
Sep 8
Arrival
Washington
DCA
Actual
Scheduled 16:40
Sep 8
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 19 min early
SFO → DCA
- 6 min late
SFO → DCA
- 28 min early
DCA → IAH
- 20 min early
SFO → DCA
- 8 min late
DCA → IAH
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 42
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 55
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 20, 2026Arrived | San Francisco | Washington | -19 | |
| Sep 19, 2026Arrived | San Francisco | Washington | 6 | |
| Sep 18, 2026Arrived | Washington | Houston | -28 | |
| Sep 18, 2026Arrived | San Francisco | Washington | -20 | |
| Sep 17, 2026Arrived | Washington | Houston | 8 | |
| Sep 17, 2026Arrived | San Francisco | Washington | -2 | |
| Sep 16, 2026Arrived | Washington | Houston | -27 | |
| Sep 16, 2026Arrived | San Francisco | Washington | -21 | |
| Sep 15, 2026Arrived | Washington | Houston | -19 | |
| Sep 15, 2026Arrived | San Francisco | Washington | -36 | |
| Sep 14, 2026Arrived | Washington | Houston | -27 | |
| Sep 14, 2026Arrived | San Francisco | Washington | -6 | |
| Sep 13, 2026Arrived | Washington | Houston | -5 | |
| Sep 13, 2026Arrived | San Francisco | Washington | -24 | |
| Sep 12, 2026Arrived | San Francisco | Washington | -23 | |
| Sep 11, 2026Arrived | Washington | Houston | -10 | |
| Sep 11, 2026Arrived | San Francisco | Washington | -26 | |
| Sep 10, 2026Arrived | Washington | Houston | -9 | |
| Sep 10, 2026Arrived | San Francisco | Washington | -12 | |
| Sep 9, 2026Arrived | Washington | Houston | -19 | |
| Sep 9, 2026Arrived | San Francisco | Washington | -9 | |
| Sep 8, 2026Arrived | Washington | Houston | -19 | |
| Sep 8, 2026Arrived | San Francisco | Washington | 21 | |
| Sep 7, 2026Arrived | Washington | Houston | 6 | |
| Sep 7, 2026Arrived | San Francisco | Washington | -1 | |
| Sep 6, 2026Arrived | Washington | Houston | -26 | |
| Sep 6, 2026Arrived | San Francisco | Washington | 3 | |
| Sep 5, 2026Arrived | San Francisco | Washington | -23 | |
| Sep 4, 2026Arrived | Washington | Houston | 26 | |
| Sep 4, 2026Arrived | San Francisco | Washington | 0 | |
| Sep 3, 2026Arrived | Washington | Houston | -19 | |
| Sep 3, 2026Arrived | San Francisco | Washington | -26 | |
| Sep 2, 2026Arrived | Washington | Houston | -15 | |
| Sep 1, 2026Arrived | Washington | Houston | 55 | |
| Aug 31, 2026Arrived | Washington | Houston | -34 | |
| Aug 30, 2026Arrived | Washington | Houston | -26 | |
| Aug 28, 2026Arrived | Washington | Houston | 13 | |
| Aug 27, 2026Arrived | Washington | Houston | 51 | |
| Aug 26, 2026Arrived | Washington | Houston | -18 | |
| Aug 25, 2026Arrived | Washington | Houston | -39 | |
| Aug 24, 2026Arrived | Washington | Houston | -20 | |
| Aug 23, 2026Arrived | Washington | Houston | -14 |