How often is DL3937 on time?

Across 67 flights on IDA → SLC from 2025-07-06 to 2025-09-10, DL3937 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +4 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

• DL3937 on SJC → SLC (46 flights)
• DL3937 on SLC → SJC (46 flights)
• DL3937 on DTW → MKE (24 flights)
• DL3937 on MKE → DTW (24 flights)
• DL3937 on MSP → PSC (36 flights)
• DL3937 on MSP → DLH (24 flights)
• DL3937 on DTW → GSO (38 flights)
• DL3937 on DTW → LAN (16 flights)
• DL3937 on SLC → IDA (67 flights)
• DL3937 on CMH → DTW (4 flights)
• DL3937 on DTW → CMH (4 flights)

Related

• All Delta Air Lines flights on IDA → SLC
• Compare airlines on IDA → SLC
• Delta Air Lines on the return, SLC → IDA