Flight OddsAA1328 BOS → ORD
American Airlines · Boston, MA to Chicago, IL · 125 flights observed, 2025-12-03 to 2026-04-06 · 867 mi
AA1328 covers more than one route in the data window — the stats below are for BOS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-14 min
90th percentile
+16 min
Cancellation rate
6%
How often is AA1328 on time?
Across 125 flights on BOS → ORD from 2025-12-03 to 2026-04-06, AA1328 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +16 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 104 | 90% |
| 16-30 min | 6 | 5% |
| 31-60 min | 2 | 2% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 29 | 97% | -16 min |
| 2026-01 | 27 | 78% | +8 min |
| 2026-02 | 26 | 88% | -10 min |
| 2026-03 | 29 | 93% | -5 min |
| 2026-04 | 5 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 87% |
| Tue | 15 | 100% |
| Wed | 16 | 94% |
| Thu | 18 | 94% |
| Fri | 17 | 82% |
| Sat | 17 | 76% |
| Sun | 18 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…