Flight OddsAA2520 SEA → ORD
American Airlines · Seattle, WA to Chicago, IL · 41 flights observed, 2026-05-21 to 2026-06-30 · 1,721 mi
AA2520 covers more than one route in the data window — the stats below are for SEA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
35%
Median delay
+30 min
90th percentile
+122 min
Cancellation rate
0%
How often is AA2520 on time?
Across 41 flights on SEA → ORD from 2026-05-21 to 2026-06-30, AA2520 arrived within 15 minutes of schedule 35% of the time. The median arrival delay was +30 min, and the worst 10% of flights arrived +122 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 14 | 35% |
| 16-30 min | 6 | 15% |
| 31-60 min | 8 | 20% |
| 61-120 min | 7 | 18% |
| 2+ hrs | 5 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 11 | 64% | +13 min |
| 2026-06 | 29 | 24% | +65 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 6 | 50% |
| Wed | 5 | 20% |
| Thu | 6 | 33% |
| Fri | 6 | 17% |
| Sat | 5 | 40% |
| Sun | 6 | 17% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…