DL1055

DL1055 (Delta Air Lines) is a multi-stop service on 10 routes, busiest Atlanta to Harrisburg. Of 943 departures recorded from October 2024 to July 2026, 78.4% 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
January5758▲ 1.8%
February56560.0%
March3962▲ 59.0%
April3060▲ 100.0%
May5662▲ 10.7%
June3760▲ 62.2%
July3162▲ 100.0%
August31––
September30––
October31–in progress
November29––
December31––
Year to date (Jan–Jul)306420▲ 37.3%

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
January85.7%75.9%▼ 11.5%
February82.1%83.9%▲ 2.2%
March79.5%80.7%▲ 1.5%
April93.1%81.0%▼ 13.0%
May69.6%80.0%▲ 14.9%
June58.3%88.3%▲ 51.4%
July63.3%61.3%▼ 3.2%
August76.7%––
September83.3%––
October77.4%–in progress
November82.8%––
December80.7%––
Year-to-date average (Jan–Jul)76.0%78.7%▲ 3.6%

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
January10▼ 100.0%
February00–
March00–
April12▲ 100.0%
May02–
June10▼ 100.0%
July10▼ 100.0%
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)440.0%

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 99.0% 934
  • Cancelled 1.0% 9

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

On time, leg by leg

  1. ATL–MDT194 72.8%
  2. TUS–SEA159 86.0%
  3. BHM–ATL153 81.5%
  4. ATL–BHM153 80.1%
  5. SEA–TUS62 82.3%
  6. FAI–MSP55 65.5%
  7. MSP–FAI55 80.0%
  8. MSP–LAX48 75.0%

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

Legs flown under this number

10
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 14 14 64.3% 0
November 2024 20 20 85.0% 0
December 2024 31 31 87.1% 0
January 2025 57 56 85.7% 1
February 2025 56 56 82.1% 0
March 2025 39 39 79.5% 0
April 2025 30 29 93.1% 1
May 2025 56 56 69.6% 0
June 2025 37 36 58.3% 1
July 2025 31 30 63.3% 1
August 2025 31 30 76.7% 1
September 2025 30 30 83.3% 0
October 2025 31 31 77.4% 0
November 2025 29 29 82.8% 0
December 2025 31 31 80.7% 0
January 2026 58 58 75.9% 0
February 2026 56 56 83.9% 0
March 2026 62 62 80.7% 0
April 2026 60 58 81.0% 2
May 2026 62 60 80.0% 2
June 2026 60 60 88.3% 0
July 2026 62 62 61.3% 0

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