No delays reported for DL 1428 (JFK → MIA) as of 6:46 PM ET. It arrived on time 65.2% of the time in June-August 2026. When it was late, the average delay was 1h 16m. 3.3% of flights were cancelled. Right now there are no reported delays at JFK, MIA.
Looks on time
Next leg JFK → MIA, scheduled 7:55 PM local time. No delays at JFK right now.
Cancellation risk: Medium 3.3% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Delta for official times. Live position: adsb.lol (open data, ODbL).
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| JFK → MIA New York, NY to Miami, FL | 7:55 PM → 11:37 PM | 65% |
Local times. Schedules change; check your booking.
How reliable is DL 1428?
| Arrived on time (within 15 min) | 65.2% |
| Average delay when late | 76 min |
| Cancelled | 3.3% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly DL 1428
DL 1428 was most reliable on Fridays (83% on time) and least reliable on Mondays (43%).
| Monday | |
| Tuesday | |
| Wednesday | |
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Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Delta to the Department of Transportation.
Other flights JFK → MIA
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Delta app.
Delta delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is DL 1428 delayed today?
Right now there are no reported delays at JFK, MIA. Checked 6:46 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 1428 usually on time?
DL 1428 arrived within 15 minutes of schedule 65.2% of the time in June-August 2026, with an average delay of 76 minutes when late.
How often is DL 1428 cancelled?
3.3% of DL 1428 flights were cancelled in June-August 2026.