Flight OddsAA1270 BOS → ORD
American Airlines · Boston, MA to Chicago, IL · 14 flights observed, 2026-02-12 to 2026-03-06 · 867 mi
AA1270 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
50%
Median delay
+12 min
90th percentile
+72 min
Cancellation rate
14%
How often is AA1270 on time?
Across 14 flights on BOS → ORD from 2026-02-12 to 2026-03-06, AA1270 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +72 min or later. 14% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 50% |
| 16-30 min | 1 | 8% |
| 31-60 min | 3 | 25% |
| 61-120 min | 1 | 8% |
| 2+ hrs | 1 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 9 | 56% | +11 min |
| 2026-03 | 3 | 33% | +80 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 0% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 4 | 75% |
| Fri | 3 | 33% |
| Sat | No data | — |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…