DL2507

DL2507 (Delta Air Lines) is a multi-stop service on 6 routes, busiest Austin to Miami. Of 323 departures recorded from December 2024 to July 2026, 90.3% 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 periods13 periods
PeriodDepartures 2025Departures 2026Change vs last year
January431▲ 675.0%
February–28–
March–31–
April1730▲ 76.5%
May31310.0%
June730▲ 328.6%
July–31–
August–––
September–––
October––in progress
November11––
December31––

according to the US BTS · December 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 periods13 periods
PeriodOn time 2025On time 2026Change vs last year
January75.0%96.7%▲ 28.9%
February–92.9%–
March–80.7%–
April100.0%92.9%▼ 7.1%
May93.6%93.6%0.0%
June85.7%86.7%▲ 1.1%
July–83.9%–
August–––
September–––
October––in progress
November100.0%––
December87.1%––

according to the US BTS · December 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · December 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods13 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February–0–
March–0–
April02–
May00–
June00–
July–0–
August–––
September–––
October––in progress
November0––
December0––

according to the US BTS · December 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 99.1% 320
  • Cancelled 0.9% 3

Share of all recorded flights in the period, all legs. · Dec 19, 2024 → Jul 31, 2026

On time, leg by leg

  1. AUS–MIA252 89.6%
  2. SMF–DTW32 90.6%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
AUS MIA Austin Bergstrom International Airport – Miami International Airport 1,772 2.3 min 89.6% 252
SMF DTW Sacramento International Airport – Detroit Metropolitan Wayne County Airport 3,232 4.7 min 90.6% 32
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
December 2024 10 10 90.0% 0
January 2025 4 4 75.0% 0
April 2025 17 17 100.0% 0
May 2025 31 31 93.6% 0
June 2025 7 7 85.7% 0
November 2025 11 11 100.0% 0
December 2025 31 31 87.1% 0
January 2026 31 30 96.7% 1
February 2026 28 28 92.9% 0
March 2026 31 31 80.7% 0
April 2026 30 28 92.9% 2
May 2026 31 31 93.6% 0
June 2026 30 30 86.7% 0
July 2026 31 31 83.9% 0

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