How often is DL4989 on time?

Across 24 flights on TRI → ATL from 2026-04-13 to 2026-05-06, DL4989 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -24 min, and the worst 10% of flights arrived +27 min or later. 0% 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

• DL4989 on LGA → ECP (9 flights)
• DL4989 on ECP → LGA (9 flights)
• DL4989 on ATL → SHV (6 flights)
• DL4989 on SHV → ATL (6 flights)
• DL4989 on ATL → TRI (24 flights)
• DL4989 on JFK → SYR (20 flights)
• DL4989 on MSP → OMA (2 flights)
• DL4989 on OMA → MSP (2 flights)
• DL4989 on DTW → CMH (7 flights)
• DL4989 on MCO → MCI (1 flights)
• DL4989 on DTW → PVD (4 flights)
• DL4989 on IND → JFK (98 flights)
• DL4989 on DSM → MSP (31 flights)
• DL4989 on ATL → FAY (31 flights)
• DL4989 on FAY → ATL (31 flights)
• DL4989 on CMH → DTW (5 flights)

Related

• All Delta Air Lines flights on TRI → ATL
• Compare airlines on TRI → ATL
• Delta Air Lines on the return, ATL → TRI