Is UAL5666 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
36 min early
Official source · Updated
Departure
Idaho Falls
IDA
Actual
Scheduled 22:22
Sep 23
Arrival
Denver
DEN
Actual
Scheduled 17:49
Sep 23
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
View this flight’s market
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.
IDADEN
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 36 min early
IDA → DEN
- 15 min early
IDA → DEN
- 16 min early
IDA → DEN
- 23 min early
IDA → DEN
- 8 min early
IDA → DEN
Flight history and details
Aug 25, 2026 — Sep 24, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 20
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 23, 2026Arrived | Idaho Falls | Denver | -36 | |
| Sep 22, 2026Arrived | Idaho Falls | Denver | -15 | |
| Sep 21, 2026Arrived | Idaho Falls | Denver | -16 | |
| Sep 20, 2026Arrived | Idaho Falls | Denver | -23 | |
| Sep 19, 2026Arrived | Idaho Falls | Denver | -8 | |
| Sep 18, 2026Arrived | Idaho Falls | Denver | 144 | |
| Sep 17, 2026Arrived | Idaho Falls | Denver | -27 | |
| Sep 16, 2026Arrived | Idaho Falls | Denver | -18 | |
| Sep 15, 2026Arrived | Idaho Falls | Denver | 8 | |
| Sep 14, 2026Arrived | Idaho Falls | Denver | 15 | |
| Sep 13, 2026Arrived | Idaho Falls | Denver | 28 | |
| Sep 12, 2026Arrived | Idaho Falls | Denver | -30 | |
| Sep 11, 2026Arrived | Idaho Falls | Denver | -8 | |
| Sep 10, 2026Arrived | Idaho Falls | Denver | -6 | |
| Sep 9, 2026Arrived | Idaho Falls | Denver | -21 | |
| Sep 8, 2026Arrived | Idaho Falls | Denver | -17 | |
| Sep 7, 2026Arrived | Idaho Falls | Denver | -18 | |
| Sep 6, 2026Arrived | Idaho Falls | Denver | -19 | |
| Sep 5, 2026Arrived | Idaho Falls | Denver | -28 | |
| Sep 4, 2026Arrived | Idaho Falls | Denver | -25 |