Is UA5866 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
140 min late
Official source · Updated
Departure
Chicago
ORD
Scheduled
Sep 15
Arrival
Bozeman
BZN
Actual
Scheduled 21:33
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
ORDBZN
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 12 min early
ORD → BZN
- 175 min late
ORD → BZN
- On time
ORD → BZN
- 180 min late
ORD → BZN
- 3 min early
ORD → BZN
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 19
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 | Chicago | Bozeman | -12 | |
| Sep 19, 2026Arrived | Chicago | Bozeman | 175 | |
| Sep 18, 2026Arrived | Chicago | Bozeman | 0 | |
| Sep 17, 2026Arrived | Chicago | Bozeman | 180 | |
| Sep 16, 2026Arrived | Chicago | Bozeman | -3 | |
| Sep 15, 2026Arrived | Chicago | Bozeman | 140 | |
| Sep 14, 2026Arrived | Chicago | Bozeman | 3 | |
| Sep 11, 2026Arrived | Chicago | Bozeman | -20 | |
| Sep 10, 2026Arrived | Chicago | Bozeman | 12 | |
| Sep 9, 2026Arrived | Chicago | Bozeman | 7 | |
| Sep 8, 2026Arrived | Chicago | Bozeman | -28 | |
| Sep 7, 2026Arrived | Denver | Billings | -15 | |
| Sep 4, 2026Arrived | Denver | Billings | -7 |