Flight OddsAmerican Airlines · Washington, DC to Indianapolis, IN · 184 flights observed, 2025-07-01 to 2026-06-30 · 500 mi
AA4520 covers more than one route in the data window — the stats below are for DCA → IND, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA4520 on time?
Across 184 flights on DCA → IND from 2025-07-01 to 2026-06-30, AA4520 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +75 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 116 | 70% |
| 16-30 min | 9 | 5% |
| 31-60 min | 17 | 10% |
| 61-120 min | 15 | 9% |
| 2+ hrs | 8 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 57% | +26 min |
| 2025-08 | 26 | 62% | +33 min |
| 2025-09 | 26 | 85% | +3 min |
| 2025-10 | 26 | 77% | +7 min |
| 2026-04 | 21 | 86% | -2 min |
| 2026-05 | 23 | 61% | +37 min |
| 2026-06 | 22 | 64% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 27 | 74% |
| Tue | 28 | 71% |
| Wed | 24 | 71% |
| Thu | 26 | 73% |
| Fri | 28 | 86% |
| Sat | 5 | 20% |
| Sun | 27 | 56% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…