How often is DL3974 on time?

Across 16 flights on DTW → GRR from 2025-12-20 to 2026-01-04, DL3974 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +27 min, and the worst 10% of flights arrived +149 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

• 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 GRR → DTW (16 flights)
• DL3974 on DTW → GRB (75 flights)
• DL3974 on GRB → DTW (75 flights)
• DL3974 on DTW → SBN (9 flights)

Related

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