BOS → ATL

DL973

DL973 (Delta Air Lines) flies Boston to Atlanta. Of 651 departures recorded from October 2024 to July 2026, 83.3% left on time, according to the US BTS.

Recorded departures by month

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January3031▲ 3.3%
February28280.0%
March31310.0%
April2830▲ 7.1%
May3031▲ 3.3%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)208212▲ 1.9%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

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

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January78.6%69.0%▼ 12.2%
February78.6%88.0%▲ 12.0%
March96.8%86.7%▼ 10.4%
April85.7%83.3%▼ 2.8%
May93.3%80.7%▼ 13.6%
June93.3%85.7%▼ 8.2%
July87.1%32.3%▼ 63.0%
August90.3%––
September96.7%––
October93.6%–in progress
November83.3%––
December76.7%––
Year-to-date average (Jan–Jul)87.6%75.1%▼ 14.3%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January220.0%
February03–
March01–
April00–
May00–
June02–
July00–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)28▲ 300.0%

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.

Cancellation share

  • Not cancelled 98.3% 640
  • Cancelled 1.7% 11

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

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
BOS ATL Boston Logan International Airport – Hartsfield Jackson Atlanta International Airport 1,521 10.4 min 83.3% 651
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 29 29 82.8% 0
December 2024 29 29 82.8% 0
January 2025 30 28 78.6% 2
February 2025 28 28 78.6% 0
March 2025 31 31 96.8% 0
April 2025 28 28 85.7% 0
May 2025 30 30 93.3% 0
June 2025 30 30 93.3% 0
July 2025 31 31 87.1% 0
August 2025 31 31 90.3% 0
September 2025 30 30 96.7% 0
October 2025 31 31 93.6% 0
November 2025 30 30 83.3% 0
December 2025 31 30 76.7% 1
January 2026 31 29 69.0% 2
February 2026 28 25 88.0% 3
March 2026 31 30 86.7% 1
April 2026 30 30 83.3% 0
May 2026 31 31 80.7% 0
June 2026 30 28 85.7% 2
July 2026 31 31 32.3% 0

How to read this chart

Loading the guide…