Is UA5556 delayed?
No delay reported yet — UA5556 is scheduled to leave Williston at 16:17 on Sep 30 and reach Denver at 16:34 (as of Sep 30, 10:12 UTC).
Usually on time: arrived within 15 min of schedule on 11 of the last 13 flights.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Williston
XWA
Scheduled
Sep 30
Arrival
Denver
DEN
Scheduled
Sep 30
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Think UA5556 runs late today? Delayed is trading at 25¢ — pays out x4.06.
Will United Airlines UAL 5556 from Williston to Denver arrive on time, be delayed, or be cancelled on Sep 30?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.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On schedule (9 min behind)
Williston → Denver
- 1 min early
Williston → Denver
- 53 min late
Denver → Rapid City
- 5 min early
Denver → Rapid City
- 8 min early
Denver → Rapid City
Is UA5556 usually late?
Observation window: Aug 31, 2026 – Sep 30, 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
Denver (DEN) departures
- Left more than 15 min late
- 1 of 1
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Williston | Denver | 9 | |
| Sep 28, 2026Arrived | Williston | Denver | -1 | |
| Sep 27, 2026Arrived | Denver | Rapid City | 53 | |
| Sep 25, 2026Arrived | Denver | Rapid City | -5 | |
| Sep 24, 2026Arrived | Denver | Rapid City | -8 | |
| Sep 20, 2026Arrived | Denver | Rapid City | 12 | |
| Sep 18, 2026Arrived | Denver | Rapid City | -14 | |
| Sep 17, 2026Arrived | Denver | Rapid City | -16 | |
| Sep 11, 2026Arrived | Denver | Rapid City | 18 | |
| Sep 7, 2026Arrived | Denver | Rapid City | -8 | |
| Sep 4, 2026Arrived | Denver | Rapid City | 1 | |
| Sep 1, 2026Arrived | Denver | Rapid City | 0 | |
| Aug 31, 2026Arrived | Denver | Rapid City | -25 |
Email me if UA5556 runs late
We email you if your next UA5556 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.