DL1151

This is not a forecast

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

90.4%

DL1151, operated by Delta Air Lines, flies 3 different airport pairs — it is a multi-leg service. Across all 1,049 recorded departures, 90.4% left on time; the legs differ and are listed below.

domestic flights only sample 1,049 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.

90.4%on time
1.5 minaverage delay
1.2%cancelled
1,049recorded 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% 1,036
  • Cancelled 1.2% 13

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 · 2024-09-09 → 2026-06-30

Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
September 2024 22 22 100.0% 0
October 2024 25 25 96.0% 0
November 2024 17 17 88.2% 0
December 2024 43 43 86.1% 0
January 2025 62 58 91.4% 4
February 2025 56 56 98.2% 0
March 2025 62 62 87.1% 0
April 2025 43 43 93.0% 0
May 2025 31 31 90.3% 0
June 2025 53 51 88.2% 2
July 2025 62 62 95.2% 0
August 2025 62 62 95.2% 0
September 2025 50 50 92.0% 0
October 2025 62 62 93.6% 0
November 2025 56 56 91.1% 0
December 2025 54 54 79.6% 0
January 2026 46 44 84.1% 2
February 2026 44 44 93.2% 0
March 2026 48 45 82.2% 3
April 2026 35 34 85.3% 1
May 2026 56 55 90.9% 1
June 2026 60 60 90.0% 0

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
ATL MKE Hartsfield Jackson Atlanta International Airport – General Mitchell International Airport 1,078 0.9 min 91.0% 587
MKE ATL General Mitchell International Airport – Hartsfield Jackson Atlanta International Airport 1,078 2.4 min 89.3% 434