Flight OddsAA4889 BOI → ORD
American Airlines · Boise, ID to Chicago, IL · 13 flights observed, 2025-12-24 to 2026-01-05 · 1,437 mi
AA4889 covers more than one route in the data window — the stats below are for BOI → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
-5 min
90th percentile
+128 min
Cancellation rate
8%
How often is AA4889 on time?
Across 13 flights on BOI → ORD from 2025-12-24 to 2026-01-05, AA4889 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +128 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 58% |
| 16-30 min | 1 | 8% |
| 31-60 min | 1 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 25% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 8 | 50% | +89 min |
| 2026-01 | 4 | 75% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 0% |
| Tue | 1 | 0% |
| Wed | 2 | 50% |
| Thu | 2 | 50% |
| Fri | 2 | 100% |
| Sat | 2 | 100% |
| Sun | 2 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…