DL1366

DL1366 (Delta Air Lines) is a multi-stop service on 16 routes, busiest Atlanta to Chattanooga. Of 543 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.

Months without data are left blank.

The most recent periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January531▲ 520.0%
February236▲ 1,700.0%
March2334▲ 47.8%
April30300.0%
May3031▲ 3.3%
June278▼ 70.4%
July152▼ 86.7%
August17––
September16––
October––in progress
November44––
December14––
Year to date (Jan–Jul)132172▲ 30.3%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

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

The most recent periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January40.0%85.2%▲ 113.0%
February–78.8%–
March52.2%84.9%▲ 62.6%
April73.3%93.1%▲ 27.0%
May93.3%80.7%▼ 13.6%
June61.5%100.0%▲ 62.5%
July53.3%0.0%▼ 100.0%
August82.4%––
September100.0%––
October––in progress
November88.6%––
December78.6%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January04–
February23▲ 50.0%
March01–
April01–
May00–
June10▼ 100.0%
July00–
August0––
September0––
October––in progress
November0––
December0––
Year to date (Jan–Jul)39▲ 200.0%

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 97.8% 531
  • Cancelled 2.2% 12

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 5, 2026

On time, leg by leg

  1. ATL–CHA136 77.1%
  2. DTW–PHL68 82.4%
  3. PHL–DTW67 83.6%
  4. MSP–RSW59 67.8%
  5. LAS–MSP36 97.1%
  6. MCO–BOS34 55.9%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 77.5% 0
November 2024 59 59 91.5% 0
December 2024 49 49 67.4% 0
January 2025 5 5 40.0% 0
February 2025 2 0 — 2
March 2025 23 23 52.2% 0
April 2025 30 30 73.3% 0
May 2025 30 30 93.3% 0
June 2025 27 26 61.5% 1
July 2025 15 15 53.3% 0
August 2025 17 17 82.4% 0
September 2025 16 16 100.0% 0
November 2025 44 44 88.6% 0
December 2025 14 14 78.6% 0
January 2026 31 27 85.2% 4
February 2026 36 33 78.8% 3
March 2026 34 33 84.9% 1
April 2026 30 29 93.1% 1
May 2026 31 31 80.7% 0
June 2026 8 8 100.0% 0
July 2026 2 2 0.0% 0

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