DL2131

DL2131 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Atlanta to Philadelphia. Of 596 departures recorded from October 2024 to July 2026, 76.4% 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 periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January56––
February5618▼ 67.9%
March628▼ 87.1%
April4032▼ 20.0%
May1034▲ 240.0%
June–54–
July–62–
August–––
September17––
October26–in progress
November24––
December17––

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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January70.4%––
February78.6%66.7%▼ 15.1%
March75.8%50.0%▼ 34.0%
April72.5%78.1%▲ 7.8%
May100.0%81.3%▼ 18.8%
June–81.5%–
July–60.0%–
August–––
September82.4%––
October80.8%–in progress
November83.3%––
December88.2%––

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 periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January2––
February00–
March00–
April00–
May02–
June–0–
July–2–
August–––
September0––
October0–in progress
November0––
December0––

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% 590
  • Cancelled 1.0% 6

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

On time, leg by leg

  1. ATL–PHL267 78.4%
  2. PHL–ATL217 72.9%
  3. MSY–LAX84 83.3%

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 20 20 80.0% 0
November 2024 32 32 71.9% 0
December 2024 28 28 96.4% 0
January 2025 56 54 70.4% 2
February 2025 56 56 78.6% 0
March 2025 62 62 75.8% 0
April 2025 40 40 72.5% 0
May 2025 10 10 100.0% 0
September 2025 17 17 82.4% 0
October 2025 26 26 80.8% 0
November 2025 24 24 83.3% 0
December 2025 17 17 88.2% 0
February 2026 18 18 66.7% 0
March 2026 8 8 50.0% 0
April 2026 32 32 78.1% 0
May 2026 34 32 81.3% 2
June 2026 54 54 81.5% 0
July 2026 62 60 60.0% 2

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