DL3870 SLC → TWF

Delta Air Lines · Salt Lake City, UT to Twin Falls, ID · 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 SLC → TWF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
92%
Median delay
-7 min
90th percentile
+14 min
Cancellation rate
3%

How often is DL3870 on time?

Across 74 flights on SLC → TWF from 2025-12-20 to 2026-03-07, DL3870 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +14 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time6692%
16-30 min23%
31-60 min23%
61-120 min23%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-129100%-7 min
2026-012993%-5 min
2026-022785%+2 min
2026-037100%-9 min

Performance by day of week

DayFlightsOn-time
Mon1191%
Tue11100%
Wed8100%
Thu989%
Fri1191%
Sat1292%
Sun1080%

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