How often is AA3521 on time?

Across 15 flights on ATW → ORD from 2025-12-03 to 2025-12-17, AA3521 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +5 min or later. 7% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

Performance by month

Performance by day of week

Other routes

• AA3521 on BIS → DFW (104 flights)
• AA3521 on ORD → IAH (34 flights)
• AA3521 on ORD → AUS (10 flights)
• AA3521 on ORD → ATW (25 flights)
• AA3521 on ORD → EVV (43 flights)
• AA3521 on BRO → DFW (65 flights)
• AA3521 on DFW → BRO (66 flights)
• AA3521 on DFW → LFT (33 flights)
• AA3521 on BMI → ORD (28 flights)

Related

• All American Airlines flights on ATW → ORD
• Compare airlines on ATW → ORD
• American Airlines on the return, ORD → ATW