Possible delays for DL 457 (MCO→DCA, JFK→DEN, ATL→BOS) as of 6:51 PM ET. It arrived on time 64.8% of the time in June-August 2026. When it was late, the average delay was 1h 11m. None were cancelled. MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)).
May not fly today
Leg 2 of 3 (JFK → DEN): Should be in the air from JFK, scheduled to land at DEN at 6:45 PM local time. This flight number flew about 3 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Medium 0% of its flights were cancelled in June-August 2026; MCO has major delays.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Delta for official times.
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| MCO → DCA Orlando, FL to Washington, DC | 8:43 AM → 10:55 AM | 100% |
| JFK → DEN New York, NY to Denver, CO | 3:59 PM → 6:45 PM | 67% |
| ATL → BOS Atlanta, GA to Boston, MA | 7:40 PM → 10:25 PM | 59% |
Local times. Schedules change; check your booking.
How reliable is DL 457?
| Arrived on time (within 15 min) | 64.8% |
| Average delay when late | 71 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 54 |
Best and worst days to fly DL 457
DL 457 was most reliable on Thursdays (69% on time) and least reliable on Sundays (54%).
| Monday | |
| Tuesday | Too few flights |
| Wednesday | Too few flights |
| Thursday | |
| Friday | |
| Saturday | Too few flights |
| Sunday |
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 → DEN
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 457 delayed today?
MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)). Checked 6:51 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 457 usually on time?
DL 457 arrived within 15 minutes of schedule 64.8% of the time in June-August 2026, with an average delay of 71 minutes when late.
How often is DL 457 cancelled?
0% of DL 457 flights were cancelled in June-August 2026.