Is AS4571 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
92 min late
Official source · Updated
Departure
Boise
BOI
Scheduled
Sep 4
Arrival
Chicago
ORD
Actual
Scheduled 20:10
Sep 4
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
BOIORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 4 min early
BOI → ORD
- 53 min early
BOI → ORD
- 57 min early
BOI → ORD
- 60 min early
BOI → ORD
- 62 min early
BOI → ORD
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 12
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 12
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 15, 2026Arrived | Boise | Chicago | -4 | |
| Sep 14, 2026Arrived | Boise | Chicago | -53 | |
| Sep 13, 2026Arrived | Boise | Chicago | -57 | |
| Sep 12, 2026Arrived | Boise | Chicago | -60 | |
| Sep 11, 2026Arrived | Boise | Chicago | -62 | |
| Sep 10, 2026Arrived | Boise | Chicago | -55 | |
| Sep 9, 2026Arrived | Boise | Chicago | -45 | |
| Sep 8, 2026Arrived | Boise | Chicago | -43 | |
| Sep 7, 2026Arrived | Boise | Chicago | -55 | |
| Sep 6, 2026Arrived | Boise | Chicago | -15 | |
| Sep 5, 2026Arrived | Boise | Chicago | -46 | |
| Sep 4, 2026Arrived | Boise | Chicago | 92 |