Flight OddsAA1543 ORD → SAN
American Airlines · Chicago, IL to San Diego, CA · 272 flights observed, 2025-07-01 to 2026-04-06 · 1,723 mi
AA1543 covers more than one route in the data window — the stats below are for ORD → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
+3 min
90th percentile
+81 min
Cancellation rate
3%
How often is AA1543 on time?
Across 272 flights on ORD → SAN from 2025-07-01 to 2026-04-06, AA1543 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +81 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 173 | 66% |
| 16-30 min | 28 | 11% |
| 31-60 min | 26 | 10% |
| 61-120 min | 20 | 8% |
| 2+ hrs | 16 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 47% | +41 min |
| 2025-08 | 31 | 61% | +30 min |
| 2025-09 | 29 | 76% | +11 min |
| 2025-10 | 30 | 80% | +7 min |
| 2025-11 | 27 | 74% | +37 min |
| 2025-12 | 27 | 63% | +25 min |
| 2026-01 | 26 | 65% | +47 min |
| 2026-02 | 28 | 61% | +9 min |
| 2026-03 | 29 | 66% | +16 min |
| 2026-04 | 6 | 67% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 38 | 68% |
| Tue | 39 | 72% |
| Wed | 37 | 62% |
| Thu | 38 | 58% |
| Fri | 39 | 69% |
| Sat | 36 | 67% |
| Sun | 36 | 64% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…