Flight OddsIAD → JFK Delta Air Lines
Delta Air Lines · Washington, DC to New York, NY · 713 flights, 2025-07-01 to 2026-06-30 · aggregated across 12 flight numbers
On-time arrival
65%
Median delay
+1 min
90th percentile
+82 min
Cancellation rate
6%
How on-time is Delta Air Lines from IAD to JFK?
Across every Delta Air Lines flight number on IAD → JFK (713 flights, 2025-07-01 to 2026-06-30), 65% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +82 min or later. 6% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 438 | 65% |
| 16-30 min | 66 | 10% |
| 31-60 min | 75 | 11% |
| 61-120 min | 55 | 8% |
| 2+ hrs | 36 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 50 | 64% | +64 min |
| 2025-08 | 61 | 66% | +14 min |
| 2025-09 | 60 | 70% | +3 min |
| 2025-10 | 61 | 61% | +51 min |
| 2025-11 | 55 | 67% | +14 min |
| 2025-12 | 46 | 59% | +34 min |
| 2026-01 | 52 | 83% | +3 min |
| 2026-02 | 50 | 62% | +11 min |
| 2026-03 | 59 | 56% | +23 min |
| 2026-04 | 59 | 76% | +9 min |
| 2026-05 | 60 | 68% | +25 min |
| 2026-06 | 57 | 53% | +39 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 94 | 65% |
| Tue | 97 | 66% |
| Wed | 98 | 69% |
| Thu | 95 | 59% |
| Fri | 98 | 73% |
| Sat | 98 | 66% |
| Sun | 90 | 58% |
DL flight numbers on IAD → JFK
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…