DL1166 SAT → JFK

Delta Air Lines · San Antonio, TX to New York, NY · 362 flights observed, 2025-07-01 to 2026-06-30 · 1,587 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -9 min, while the worst 10% run +54 min or later.

DL1166 covers more than one route in the data window — the stats below are for SAT → JFK, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
80%
Median delay
-9 min
90th percentile
+54 min
Cancellation rate
3%

How often is DL1166 on time?

Across 362 flights on SAT → JFK from 2025-07-01 to 2026-06-30, DL1166 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +54 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time27980%
16-30 min206%
31-60 min154%
61-120 min154%
2+ hrs185%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073053%+38 min
2025-083187%-5 min
2025-092990%-11 min
2025-103184%+22 min
2025-112983%-4 min
2025-122677%+44 min
2026-012785%+10 min
2026-022673%+6 min
2026-032785%+19 min
2026-043097%+7 min
2026-053190%-14 min
2026-063060%+21 min

Performance by day of week

DayFlightsOn-time
Mon5086%
Tue5080%
Wed5180%
Thu5173%
Fri5080%
Sat4789%
Sun4875%

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