DL1277 SNA → SLC

Delta Air Lines · Santa Ana, CA to Salt Lake City, UT · 336 flights observed, 2025-07-01 to 2026-06-28 · 588 mi

DL1277 covers more than one route in the data window — the stats below are for SNA → SLC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
86%
Median delay
-10 min
90th percentile
+25 min
Cancellation rate
1%

How often is DL1277 on time?

Across 336 flights on SNA → SLC from 2025-07-01 to 2026-06-28, DL1277 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +25 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time28886%
16-30 min144%
31-60 min144%
61-120 min124%
2+ hrs52%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073190%-6 min
2025-082993%-6 min
2025-093090%+2 min
2025-103181%+5 min
2025-112882%+6 min
2025-123077%+38 min
2026-013070%+11 min
2026-0211100%-6 min
2026-0324100%-17 min
2026-043090%-10 min
2026-053197%-12 min
2026-062879%-3 min

Performance by day of week

DayFlightsOn-time
Mon4890%
Tue4988%
Wed4990%
Thu4777%
Fri4883%
Sat4789%
Sun4589%

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