DL2479

DL2479 (Delta Air Lines) is a multi-stop service on 8 routes, busiest Atlanta to Portland. Of 368 departures recorded from October 2024 to July 2026, 78.5% 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 periods10 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–––
February–––
March–24–
April1512▼ 20.0%
May2550▲ 100.0%
June660▲ 900.0%
July–62–
August–––
September–––
October––in progress
November43––
December3––

according to the US BTS · October 2024 → July 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 periods10 periods
PeriodOn time 2025On time 2026Change vs last year
January–––
February–––
March–65.2%–
April100.0%66.7%▼ 33.3%
May76.0%84.0%▲ 10.5%
June100.0%85.0%▼ 15.0%
July–61.3%–
August–––
September–––
October––in progress
November76.7%––
December66.7%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods10 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–––
February–––
March–1–
April00–
May00–
June00–
July–0–
August–––
September–––
October––in progress
November0––
December0––

according to the US BTS · October 2024 → July 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 99.7% 367
  • Cancelled 0.3% 1

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. ATL–PWM109 89.0%
  2. PWM–ATL108 63.0%
  3. SAT–DTW46 87.0%
  4. CLT–DTW38 84.2%
  5. MIA–ATL36 65.7%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 30 30 90.0% 0
December 2024 18 18 77.8% 0
April 2025 15 15 100.0% 0
May 2025 25 25 76.0% 0
June 2025 6 6 100.0% 0
November 2025 43 43 76.7% 0
December 2025 3 3 66.7% 0
March 2026 24 23 65.2% 1
April 2026 12 12 66.7% 0
May 2026 50 50 84.0% 0
June 2026 60 60 85.0% 0
July 2026 62 62 61.3% 0

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