No clear winner: Delta’s IAH → JFK flights land within a few points of 4 in 5 on time whatever the hour.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
No Delta flight on this route ran 150+ times in the year.
All 1 Delta flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| DL 396 | IAH 12:33 | JFK 17:30 | 3h 57m | 31 | 81% | 0.0% | 34 min |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Delta | IAH | JFK | 3h 48m | 80% | 4.1% | 269 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | IAH 05:40 → ATL 08:43DL 1069 | 57m Atlanta | ATL 09:40 → JFK 12:00DL 1034 | 5h 16m | 90% | 79% |
| DeltaDetails → | IAH 05:20 → DTW 09:11DL 1389 | 59m Detroit | DTW 10:10 → JFK 11:59DL 2751 | 5h 39m | 90% | 76% |
| DeltaDetails → | IAH 07:02 → ATL 10:05DL 1315 | 1h 05m Atlanta | ATL 11:10 → JFK 13:29DL 2380 | 5h 27m | 91% | 72% |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON