How often is DL3937 on time?

Across 67 flights on SLC → IDA from 2025-07-06 to 2025-09-10, DL3937 arrived within 15 minutes of schedule 99% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +5 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 IDA → SLC (67 flights)
• DL3937 on CMH → DTW (4 flights)
• DL3937 on DTW → CMH (4 flights)

Related

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