How often is DL3974 on time?

Across 75 flights on DTW → GRB from 2025-10-06 to 2025-12-19, DL3974 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +76 min or later. 8% 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

• DL3974 on DTW → CLE (3 flights)
• DL3974 on MSP → OKC (6 flights)
• DL3974 on OKC → MSP (6 flights)
• DL3974 on CID → MSP (24 flights)
• DL3974 on MSP → CID (24 flights)
• DL3974 on GEG → SEA (36 flights)
• DL3974 on CMH → DTW (24 flights)
• DL3974 on DTW → CMH (24 flights)
• DL3974 on MSP → RST (1 flights)
• DL3974 on MDT → DTW (18 flights)
• DL3974 on DTW → GRR (16 flights)
• DL3974 on GRR → DTW (16 flights)
• DL3974 on GRB → DTW (75 flights)
• DL3974 on DTW → SBN (9 flights)

Related

• All Delta Air Lines flights on DTW → GRB
• Compare airlines on DTW → GRB
• Delta Air Lines on the return, GRB → DTW