Flight OddsAA1540 SJU → ORD
American Airlines · San Juan, PR to Chicago, IL · 37 flights observed, 2026-01-06 to 2026-02-11 · 2,072 mi
AA1540 covers more than one route in the data window — the stats below are for SJU → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-24 min
90th percentile
+11 min
Cancellation rate
8%
How often is AA1540 on time?
Across 37 flights on SJU → ORD from 2026-01-06 to 2026-02-11, AA1540 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -24 min, and the worst 10% of flights arrived +11 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 | 30 | 91% |
| 16-30 min | 2 | 6% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 22 | 91% | -25 min |
| 2026-02 | 11 | 91% | +53 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 5 | 100% |
| Wed | 4 | 100% |
| Thu | 5 | 80% |
| Fri | 5 | 80% |
| Sat | 5 | 100% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…