DL2499

DL2499 (Delta Air Lines) is a multi-stop service on 9 routes, busiest Newark to Detroit. Of 142 departures recorded from October 2024 to June 2026, 69.5% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods7 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–––
February–––
March–––
April172▼ 88.2%
May3125▼ 19.4%
June106▼ 40.0%
July1––
August–––
September–––
October––in progress
November–––
December–––

according to the US BTS · October 2024 → June 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods7 periods
PeriodOn time 2025On time 2026Change vs last year
January–––
February–––
March–––
April94.1%50.0%▼ 46.9%
May77.4%64.0%▼ 17.3%
June77.8%16.7%▼ 78.6%
July0.0%––
August–––
September–––
October––in progress
November–––
December–––

according to the US BTS · October 2024 → June 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → June 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods7 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–––
February–––
March–––
April00–
May00–
June10▼ 100.0%
July0––
August–––
September–––
October––in progress
November–––
December–––

according to the US BTS · October 2024 → June 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 99.3% 141
  • Cancelled 0.7% 1

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jun 6, 2026

On time, leg by leg

  1. EWR–DTW38 65.8%
  2. FLL–CVG32 87.5%
  3. MIA–JFK31 54.8%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 12 12 66.7% 0
November 2024 20 20 65.0% 0
December 2024 18 18 66.7% 0
April 2025 17 17 94.1% 0
May 2025 31 31 77.4% 0
June 2025 10 9 77.8% 1
July 2025 1 1 0.0% 0
April 2026 2 2 50.0% 0
May 2026 25 25 64.0% 0
June 2026 6 6 16.7% 0

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