Flight OddsAA3517 IAH → ORD
American Airlines · Houston, TX to Chicago, IL · 51 flights observed, 2025-12-18 to 2026-04-06 · 925 mi
AA3517 covers more than one route in the data window — the stats below are for IAH → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-10 min
90th percentile
+49 min
Cancellation rate
6%
How often is AA3517 on time?
Across 51 flights on IAH → ORD from 2025-12-18 to 2026-04-06, AA3517 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +49 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 | 39 | 81% |
| 16-30 min | 2 | 4% |
| 31-60 min | 3 | 6% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 3 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 5 | 80% | -4 min |
| 2026-02 | 14 | 93% | -8 min |
| 2026-03 | 25 | 80% | +27 min |
| 2026-04 | 4 | 50% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 8 | 88% |
| Wed | 7 | 71% |
| Thu | 8 | 100% |
| Fri | 9 | 56% |
| Sat | No data | — |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…