DL4135 EUG → SLC

Delta Air Lines · Eugene, OR to Salt Lake City, UT · 310 flights observed, 2025-07-01 to 2026-05-06 · 618 mi

This flight has a strong track record — on time 93% of the time, with a low cancellation rate.

DL4135 covers more than one route in the data window — the stats below are for EUG → SLC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
93%
Median delay
-9 min
90th percentile
+8 min
Cancellation rate
0%

How often is DL4135 on time?

Across 310 flights on EUG → SLC from 2025-07-01 to 2026-05-06, DL4135 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +8 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time28993%
16-30 min114%
31-60 min52%
61-120 min41%
2+ hrs10%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073194%-3 min
2025-083190%-5 min
2025-0930100%-6 min
2025-103194%-8 min
2025-1130100%-16 min
2025-123190%-8 min
2026-013187%-4 min
2026-022886%-1 min
2026-033194%+1 min
2026-043097%-6 min
2026-056100%-7 min

Performance by day of week

DayFlightsOn-time
Mon4498%
Tue4596%
Wed4591%
Thu4489%
Fri4493%
Sat4495%
Sun4491%

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