DL3870 TWF → SLC

Delta Air Lines · Twin Falls, ID to Salt Lake City, UT · 74 flights observed, 2025-12-20 to 2026-03-07 · 175 mi

DL3870 covers more than one route in the data window — the stats below are for TWF → SLC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
97%
Median delay
-15 min
90th percentile
-6 min
Cancellation rate
3%

How often is DL3870 on time?

Across 74 flights on TWF → SLC from 2025-12-20 to 2026-03-07, DL3870 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived -6 min or later. 3% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time7097%
16-30 min11%
31-60 min00%
61-120 min11%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-129100%-18 min
2026-012997%-11 min
2026-022796%-10 min
2026-037100%-17 min

Performance by day of week

DayFlightsOn-time
Mon11100%
Tue11100%
Wed8100%
Thu9100%
Fri1191%
Sat12100%
Sun1090%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…