DL1522

This is not a forecast

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

86.9%

DL1522, operated by Delta Air Lines, flies 2 different airport pairs — it is a multi-leg service. Across all 1,300 recorded departures, 86.9% left on time; the legs differ and are listed below.

domestic flights only sample 1,300 departures · arrival delay, measured at the gate
This number flies several legs

Because this number covers several legs, the headline figure is an average across all of them. Read the leg table for the one you are flying.

86.9%on time
7.1 minaverage delay
1.2%cancelled
1,300recorded departures

These charts combine all legs flown under this number. Changes in the mix of legs can affect the monthly figures; consult the leg table below.

On-time departures by month

All legs combined

On time means departing no more than 15 minutes after schedule. Monthly punctuality uses only non-cancelled flights with a recorded departure delay; flights with missing times are excluded. Each month reflects the records available from the source.

according to us_bts_otp · 2024-09 → 2026-06

Recorded departures by month

All legs combined

according to us_bts_otp · 2024-09 → 2026-06

Cancellation share

  • Not cancelled 98.8% 1,285
  • Cancelled 1.2% 15

Share of all recorded flights over the period shown, including every leg. Not cancelled does not necessarily mean on time.

according to us_bts_otp · 2024-09-01 → 2026-06-27

Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
September 2024 59 59 84.8% 0
October 2024 62 62 96.8% 0
November 2024 60 60 91.7% 0
December 2024 62 62 72.6% 0
January 2025 60 58 74.1% 2
February 2025 52 52 80.8% 0
March 2025 62 62 90.3% 0
April 2025 60 60 91.7% 0
May 2025 62 62 77.4% 0
June 2025 60 59 89.8% 1
July 2025 62 62 82.3% 0
August 2025 62 62 82.3% 0
September 2025 59 59 98.3% 0
October 2025 58 58 100.0% 0
November 2025 48 48 85.4% 0
December 2025 58 58 72.4% 0
January 2026 60 56 75.0% 4
February 2026 56 56 85.7% 0
March 2026 62 56 96.4% 6
April 2026 60 60 93.3% 0
May 2026 62 62 98.4% 0
June 2026 54 52 90.4% 2

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
CMH ATL John Glenn Columbus International Airport – Hartsfield Jackson Atlanta International Airport 720 8.9 min 87.5% 654
ATL CMH Hartsfield Jackson Atlanta International Airport – John Glenn Columbus International Airport 720 5.2 min 86.2% 646