DL573

DL573 (Delta Air Lines) is a multi-stop service on 18 routes, busiest Atlanta to San Juan. Of 739 departures recorded from November 2024 to July 2026, 84.3% 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
January627▼ 88.7%
February561▼ 98.2%
March62––
April4322▼ 48.8%
May31310.0%
June4554▲ 20.0%
July5162▲ 21.6%
August58––
September40––
October31–in progress
November22––
December19––

according to the US BTS · November 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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January75.0%71.4%▼ 4.8%
February89.3%0.0%▼ 100.0%
March87.1%––
April93.0%95.5%▲ 2.6%
May80.7%86.7%▲ 7.5%
June58.1%100.0%▲ 72.0%
July78.4%87.1%▲ 11.1%
August91.4%––
September87.5%––
October64.5%–in progress
November81.8%––
December79.0%––

according to the US BTS · November 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · November 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
January20▼ 100.0%
February00–
March0––
April00–
May01–
June20▼ 100.0%
July00–
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · November 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 99.3% 734
  • Cancelled 0.7% 5

Share of all recorded flights in the period, all legs. · Nov 10, 2024 → Jul 31, 2026

On time, leg by leg

  1. SJU–ATL116 79.1%
  2. ATL–SJU116 92.2%
  3. LAS–ATL83 77.1%
  4. TLH–ATL81 77.5%
  5. ATL–TLH81 81.3%
  6. AVL–ATL55 94.6%
  7. ATL–AVL55 90.9%
  8. ATL–CLT32 75.0%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
November 2024 13 13 92.3% 0
December 2024 29 29 93.1% 0
January 2025 62 60 75.0% 2
February 2025 56 56 89.3% 0
March 2025 62 62 87.1% 0
April 2025 43 43 93.0% 0
May 2025 31 31 80.7% 0
June 2025 45 43 58.1% 2
July 2025 51 51 78.4% 0
August 2025 58 58 91.4% 0
September 2025 40 40 87.5% 0
October 2025 31 31 64.5% 0
November 2025 22 22 81.8% 0
December 2025 19 19 79.0% 0
January 2026 7 7 71.4% 0
February 2026 1 1 0.0% 0
April 2026 22 22 95.5% 0
May 2026 31 30 86.7% 1
June 2026 54 54 100.0% 0
July 2026 62 62 87.1% 0

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