Is UA1604 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Denver)
<1 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Denver
DEN
Actual
Sep 24
Arrival
Reno
RNO
Scheduled
Sep 24
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
Service date: · Scheduled departure date (America/Los_Angeles)
2 min late
This update may be out of date. Check with your airline.
Official source · Updated
Departure
San Francisco
SFO
Actual
Sep 24
Arrival
Denver
DEN
Scheduled
Sep 24
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
30 min early
Official source · Updated
Departure
Raleigh/Durham
RDU
Scheduled
Not available
Arrival
San Francisco
SFO
Actual
Sep 24
Times shown in airport local time
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.
- 30 min early
RDU → SFO
- 19 min early
RDU → SFO
- 9 min early
DEN → RNO
- 32 min late
SFO → DEN
- 14 min early
RDU → SFO
Flight history and details
Aug 26, 2026 — Sep 25, 2026
- Observed arrivals
- 52
- Arrivals over 15 minutes late
- 12
- Observed cancellations
- 0
- Observed occurrences
- 60
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 24, 2026Arrived | Raleigh/Durham | San Francisco | -30 | |
| Sep 23, 2026Arrived | Raleigh/Durham | San Francisco | -19 | |
| Sep 22, 2026Arrived | Denver | Reno | -9 | |
| Sep 22, 2026Arrived | San Francisco | Denver | 32 | |
| Sep 22, 2026Arrived | Raleigh/Durham | San Francisco | -14 | |
| Sep 21, 2026Arrived | Denver | Reno | -16 | |
| Sep 21, 2026Arrived | San Francisco | Denver | 4 | |
| Sep 21, 2026Arrived | Raleigh/Durham | San Francisco | -19 | |
| Sep 20, 2026Arrived | Denver | Reno | -2 | |
| Sep 20, 2026Arrived | San Francisco | Denver | 6 | |
| Sep 20, 2026Arrived | Raleigh/Durham | San Francisco | -22 | |
| Sep 19, 2026Arrived | Denver | Reno | 32 | |
| Sep 19, 2026Arrived | San Francisco | Denver | -14 | |
| Sep 19, 2026Arrived | Raleigh/Durham | San Francisco | -26 | |
| Sep 18, 2026Arrived | Denver | Reno | 20 | |
| Sep 18, 2026Arrived | San Francisco | Denver | 18 | |
| Sep 18, 2026Arrived | Raleigh/Durham | San Francisco | -14 | |
| Sep 17, 2026Arrived | Denver | Reno | 7 | |
| Sep 17, 2026Arrived | San Francisco | Denver | -9 | |
| Sep 16, 2026Arrived | Denver | Reno | 20 | |
| Sep 16, 2026Arrived | San Francisco | Denver | 31 | |
| Sep 16, 2026Arrived | Raleigh/Durham | San Francisco | -22 | |
| Sep 15, 2026Arrived | Denver | Reno | 1 | |
| Sep 15, 2026Arrived | San Francisco | Denver | 10 | |
| Sep 15, 2026Arrived | Raleigh/Durham | San Francisco | -21 | |
| Sep 14, 2026Arrived | Denver | Reno | -14 | |
| Sep 14, 2026Arrived | Raleigh/Durham | San Francisco | -21 | |
| Sep 13, 2026Arrived | San Francisco | Denver | -3 | |
| Sep 13, 2026Arrived | Raleigh/Durham | San Francisco | -24 | |
| Sep 12, 2026Arrived | Denver | Reno | -5 | |
| Sep 12, 2026Arrived | San Francisco | Denver | -17 | |
| Sep 12, 2026Arrived | Raleigh/Durham | San Francisco | -31 | |
| Sep 11, 2026Arrived | Denver | Reno | -4 | |
| Sep 11, 2026Arrived | Raleigh/Durham | San Francisco | 1 | |
| Sep 10, 2026Arrived | Denver | Reno | 31 | |
| Sep 10, 2026Arrived | San Francisco | Denver | 21 | |
| Sep 9, 2026Arrived | Denver | Reno | -9 | |
| Sep 9, 2026Arrived | San Francisco | Denver | 27 | |
| Sep 9, 2026Arrived | Raleigh/Durham | San Francisco | -21 | |
| Sep 8, 2026Arrived | San Francisco | Denver | 97 | |
| Sep 8, 2026Arrived | Raleigh/Durham | San Francisco | -34 | |
| Sep 7, 2026Arrived | Denver | Reno | 8 | |
| Sep 6, 2026Arrived | Denver | Reno | 12 | |
| Sep 5, 2026Arrived | Denver | Reno | -27 | |
| Sep 4, 2026Arrived | Denver | Reno | -8 | |
| Sep 1, 2026Arrived | Denver | Reno | 4 | |
| Aug 31, 2026Arrived | Denver | Reno | -11 | |
| Aug 30, 2026Arrived | Denver | Reno | 38 | |
| Aug 29, 2026Arrived | Denver | Reno | 5 | |
| Aug 28, 2026Arrived | Denver | Reno | 185 | |
| Aug 27, 2026Arrived | Denver | Reno | 14 | |
| Aug 26, 2026Arrived | Denver | Reno | -13 |