How often is AA4645 on time?

Across 8 flights on DCA → BOS from 2025-12-20 to 2026-02-07, AA4645 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived -11 min or later. 25% 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

• AA4645 on DCA → LGA (35 flights)
• AA4645 on SYR → ORD (43 flights)
• AA4645 on MSP → ORD (26 flights)
• AA4645 on ORD → MSP (26 flights)
• AA4645 on BUF → ORD (21 flights)
• AA4645 on CMH → DCA (3 flights)
• AA4645 on DCA → CMH (3 flights)
• AA4645 on CMH → BOS (10 flights)
• AA4645 on GRB → PHL (2 flights)
• AA4645 on PHL → GRB (2 flights)
• AA4645 on DCA → SRQ (4 flights)
• AA4645 on SRQ → DCA (4 flights)
• AA4645 on DCA → STL (20 flights)
• AA4645 on STL → DCA (20 flights)
• AA4645 on DCA → MSY (3 flights)
• AA4645 on MSY → DCA (3 flights)
• AA4645 on CAE → DCA (33 flights)
• AA4645 on BGR → ORD (34 flights)
• AA4645 on ORD → BGR (34 flights)

Related

• All American Airlines flights on DCA → BOS
• Compare airlines on DCA → BOS
• American Airlines on the return, BOS → DCA