Is UA519 delayed?
No — UA519 landed in Denver 21 min early, at 21:57 on Sep 28 (as of Sep 29, 03:57 UTC).
Usually on time: arrived within 15 min of schedule on 20 of the last 23 flights.
21 min early
Official source · Updated
Departure
San Diego
SAN
Actual
Scheduled 19:06
Sep 28
Arrival
Denver
DEN
Actual
Scheduled 22:19
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Market settled: On time.
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 21 min early
San Diego → Denver
- 28 min late
San Diego → Denver
- 22 min late
San Diego → Denver
- 14 min early
San Diego → Denver
- 27 min early
San Diego → Denver
Is UA519 usually late?
Observation window: Aug 30, 2026 – Sep 29, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
San Diego (SAN) departures
- Left more than 15 min late
- 11 of 87
- Cancelled today
- 1
Denver (DEN) departures
- Left more than 15 min late
- 36 of 271
- Cancelled today
- 4
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | San Diego | Denver | -21 | |
| Sep 27, 2026Arrived | San Diego | Denver | 28 | |
| Sep 25, 2026Arrived | San Diego | Denver | 22 | |
| Sep 24, 2026Arrived | San Diego | Denver | -14 | |
| Sep 23, 2026Arrived | San Diego | Denver | -27 | |
| Sep 20, 2026Arrived | San Diego | Denver | 7 | |
| Sep 18, 2026Arrived | San Diego | Denver | -30 | |
| Sep 17, 2026Arrived | San Diego | Denver | -21 | |
| Sep 16, 2026Arrived | San Diego | Denver | -27 | |
| Sep 14, 2026Arrived | St Louis | Houston | -23 | |
| Sep 13, 2026Arrived | San Diego | Denver | -25 | |
| Sep 11, 2026Arrived | San Diego | Denver | -18 | |
| Sep 10, 2026Arrived | San Diego | Denver | -13 | |
| Sep 9, 2026Arrived | San Diego | Denver | -24 | |
| Sep 7, 2026Arrived | Reno | Newark | -4 | |
| Sep 6, 2026Arrived | Reno | Newark | 55 | |
| Sep 5, 2026Arrived | Dulles | Charlotte | -25 | |
| Sep 4, 2026Arrived | San Diego | Denver | 1 | |
| Sep 3, 2026Arrived | San Diego | Denver | -25 | |
| Sep 2, 2026Arrived | San Diego | Denver | -39 | |
| Sep 1, 2026Arrived | Dulles | Charlotte | -24 | |
| Aug 31, 2026Arrived | Dulles | Charlotte | -6 | |
| Aug 30, 2026Arrived | San Diego | Denver | -32 |
Email me if UA519 runs late
We email you if your next UA519 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.