Flight OddsDelta Air Lines · New York, NY to Sarasota/Bradenton, FL · 135 flights observed, 2025-12-20 to 2026-05-06 · 1,041 mi
DL2521 covers more than one route in the data window — the stats below are for JFK → SRQ, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL2521 on time?
Across 135 flights on JFK → SRQ from 2025-12-20 to 2026-05-06, DL2521 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +32 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 106 | 83% |
| 16-30 min | 8 | 6% |
| 31-60 min | 6 | 5% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 11 | 82% | -2 min |
| 2026-01 | 27 | 78% | +18 min |
| 2026-02 | 25 | 84% | -1 min |
| 2026-03 | 30 | 83% | -5 min |
| 2026-04 | 28 | 89% | -15 min |
| 2026-05 | 6 | 83% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 94% |
| Tue | 20 | 80% |
| Wed | 20 | 85% |
| Thu | 17 | 100% |
| Fri | 18 | 78% |
| Sat | 18 | 61% |
| Sun | 17 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…