DL2534

DL2534 (Delta Air Lines) is a multi-stop service on 2 routes, busiest San Antonio to Los Angeles. Of 658 departures recorded from October 2024 to July 2026, 90.6% 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
January31310.0%
February28280.0%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)2122120.0%

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
January86.7%77.4%▼ 10.7%
February92.9%89.3%▼ 3.8%
March87.1%93.6%▲ 7.4%
April86.7%96.7%▲ 11.5%
May83.9%83.3%▼ 0.6%
June93.3%86.7%▼ 7.1%
July96.8%90.3%▼ 6.7%
August96.8%––
September90.0%––
October96.8%–in progress
November100.0%––
December90.3%––
Year-to-date average (Jan–Jul)89.6%88.2%▼ 1.6%

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–
April00–
May01–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)110.0%

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 99.7% 656
  • Cancelled 0.3% 2

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

On time, leg by leg

  1. SAT–LAX627 91.2%
  2. ATL–MEM31 77.4%

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

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 30 30 86.7% 0
December 2024 31 31 96.8% 0
January 2025 31 30 86.7% 1
February 2025 28 28 92.9% 0
March 2025 31 31 87.1% 0
April 2025 30 30 86.7% 0
May 2025 31 31 83.9% 0
June 2025 30 30 93.3% 0
July 2025 31 31 96.8% 0
August 2025 31 31 96.8% 0
September 2025 30 30 90.0% 0
October 2025 31 31 96.8% 0
November 2025 30 30 100.0% 0
December 2025 31 31 90.3% 0
January 2026 31 31 77.4% 0
February 2026 28 28 89.3% 0
March 2026 31 31 93.6% 0
April 2026 30 30 96.7% 0
May 2026 31 30 83.3% 1
June 2026 30 30 86.7% 0
July 2026 31 31 90.3% 0

How to read this chart

Loading the guide…