DL1097

DL1097 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Atlanta to Raleigh. Of 853 departures recorded from October 2024 to July 2026, 79.0% 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
January3437▲ 8.8%
February4032▼ 20.0%
March4937▼ 24.5%
April4643▼ 6.5%
May4854▲ 12.5%
June3449▲ 44.1%
July3148▲ 54.8%
August31––
September30––
October31–in progress
November30––
December40––
Year to date (Jan–Jul)282300▲ 6.4%

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
January84.9%80.0%▼ 5.7%
February92.5%78.1%▼ 15.5%
March75.5%82.4%▲ 9.1%
April78.3%79.1%▲ 1.0%
May62.5%71.7%▲ 14.7%
June82.4%83.7%▲ 1.6%
July74.2%50.0%▼ 32.6%
August83.9%––
September93.3%––
October96.8%–in progress
November73.3%––
December79.0%––
Year-to-date average (Jan–Jul)78.6%75.0%▼ 4.6%

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
January12▲ 100.0%
February00–
March03–
April00–
May01–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December2––
Year to date (Jan–Jul)16▲ 500.0%

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.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 98.9% 844
  • Cancelled 1.1% 9

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

On time, leg by leg

  1. ATL–RDU405 80.0%
  2. RDU–ATL253 73.9%
  3. ATL–CLT194 83.5%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 28 28 78.6% 0
November 2024 33 33 97.0% 0
December 2024 48 48 83.3% 0
January 2025 34 33 84.9% 1
February 2025 40 40 92.5% 0
March 2025 49 49 75.5% 0
April 2025 46 46 78.3% 0
May 2025 48 48 62.5% 0
June 2025 34 34 82.4% 0
July 2025 31 31 74.2% 0
August 2025 31 31 83.9% 0
September 2025 30 30 93.3% 0
October 2025 31 31 96.8% 0
November 2025 30 30 73.3% 0
December 2025 40 38 79.0% 2
January 2026 37 35 80.0% 2
February 2026 32 32 78.1% 0
March 2026 37 34 82.4% 3
April 2026 43 43 79.1% 0
May 2026 54 53 71.7% 1
June 2026 49 49 83.7% 0
July 2026 48 48 50.0% 0

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