DL1324

DL1324 (Delta Air Lines) is a multi-stop service on 9 routes, busiest Dulles to Atlanta. Of 787 departures recorded from October 2024 to July 2026, 79.7% left on time, according to the US BTS.

Recorded departures by month

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

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January3144▲ 41.9%
February2839▲ 39.3%
March3155▲ 77.4%
April2260▲ 172.7%
May1762▲ 264.7%
June4058▲ 45.0%
July3062▲ 106.7%
August28––
September24––
October28–in progress
November18––
December29––
Year to date (Jan–Jul)199380▲ 91.0%

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
January90.0%84.6%▼ 6.0%
February64.3%71.1%▲ 10.5%
March83.9%84.0%▲ 0.2%
April72.7%94.8%▲ 30.4%
May62.5%85.5%▲ 36.8%
June52.6%91.4%▲ 73.6%
July71.4%79.7%▲ 11.5%
August80.8%––
September70.8%––
October64.3%–in progress
November61.1%––
December72.4%––
Year-to-date average (Jan–Jul)71.1%84.4%▲ 18.8%

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
January15▲ 400.0%
February01–
March05–
April02–
May10▼ 100.0%
June20▼ 100.0%
July23▲ 50.0%
August2––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)616▲ 166.7%

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 97.0% 763
  • Cancelled 3.0% 24

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

On time, leg by leg

  1. IAD–ATL207 82.8%
  2. ATL–IAD169 87.7%
  3. MSP–ORD121 66.7%
  4. ORD–MSP91 61.4%
  5. ORD–DTW68 88.2%
  6. LAS–DTW62 77.4%
  7. MCI–DTW33 100.0%
  8. SAN–SLC31 87.1%

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

Legs flown under this number

8
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 31 31 90.3% 0
January 2025 31 30 90.0% 1
February 2025 28 28 64.3% 0
March 2025 31 31 83.9% 0
April 2025 22 22 72.7% 0
May 2025 17 16 62.5% 1
June 2025 40 38 52.6% 2
July 2025 30 28 71.4% 2
August 2025 28 26 80.8% 2
September 2025 24 24 70.8% 0
October 2025 28 28 64.3% 0
November 2025 18 18 61.1% 0
December 2025 29 29 72.4% 0
January 2026 44 39 84.6% 5
February 2026 39 38 71.1% 1
March 2026 55 50 84.0% 5
April 2026 60 58 94.8% 2
May 2026 62 62 85.5% 0
June 2026 58 58 91.4% 0
July 2026 62 59 79.7% 3

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