Flight OddsDelta Air Lines · New York, NY to San Antonio, TX · 340 flights observed, 2025-07-01 to 2026-06-30 · 1,587 mi
DL1166 covers more than one route in the data window — the stats below are for JFK → SAT, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL1166 on time?
Across 340 flights on JFK → SAT from 2025-07-01 to 2026-06-30, DL1166 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -16 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).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 296 | 90% |
| 16-30 min | 7 | 2% |
| 31-60 min | 8 | 2% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | +2 min |
| 2025-08 | 31 | 100% | -17 min |
| 2025-09 | 30 | 90% | -9 min |
| 2025-10 | 31 | 90% | -6 min |
| 2025-11 | 30 | 93% | -15 min |
| 2025-12 | 17 | 76% | +10 min |
| 2026-01 | 24 | 83% | +42 min |
| 2026-02 | 23 | 87% | -11 min |
| 2026-03 | 23 | 91% | -4 min |
| 2026-04 | 28 | 96% | -11 min |
| 2026-05 | 31 | 97% | -14 min |
| 2026-06 | 29 | 83% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 94% |
| Tue | 48 | 94% |
| Wed | 49 | 98% |
| Thu | 49 | 84% |
| Fri | 48 | 88% |
| Sat | 39 | 87% |
| Sun | 47 | 87% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…