DL700

DL700 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Detroit to San Diego. Of 461 departures recorded from October 2024 to July 2026, 67.5% 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
January1030▲ 200.0%
February1428▲ 100.0%
March2731▲ 14.8%
April3028▼ 6.7%
May2319▼ 17.4%
June2315▼ 34.8%
July2316▼ 30.4%
August23––
September18––
October23–in progress
November18––
December19––
Year to date (Jan–Jul)150167▲ 11.3%

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
January100.0%56.7%▼ 43.3%
February64.3%78.6%▲ 22.2%
March81.5%70.0%▼ 14.1%
April86.2%89.3%▲ 3.6%
May60.9%47.4%▼ 22.2%
June60.9%60.0%▼ 1.4%
July47.6%25.0%▼ 47.5%
August65.2%––
September72.2%––
October82.6%–in progress
November61.1%––
December47.4%––
Year-to-date average (Jan–Jul)71.6%61.0%▼ 14.8%

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
January00–
February00–
March01–
April10▼ 100.0%
May00–
June00–
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)31▼ 66.7%

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 98.9% 456
  • Cancelled 1.1% 5

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
DTW SAN Detroit Metropolitan Wayne County Airport – San Diego International Airport 3,142 23.7 min 67.5% 457
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 10 10 70.0% 0
November 2024 14 14 71.4% 0
December 2024 19 18 72.2% 1
January 2025 10 10 100.0% 0
February 2025 14 14 64.3% 0
March 2025 27 27 81.5% 0
April 2025 30 29 86.2% 1
May 2025 23 23 60.9% 0
June 2025 23 23 60.9% 0
July 2025 23 21 47.6% 2
August 2025 23 23 65.2% 0
September 2025 18 18 72.2% 0
October 2025 23 23 82.6% 0
November 2025 18 18 61.1% 0
December 2025 19 19 47.4% 0
January 2026 30 30 56.7% 0
February 2026 28 28 78.6% 0
March 2026 31 30 70.0% 1
April 2026 28 28 89.3% 0
May 2026 19 19 47.4% 0
June 2026 15 15 60.0% 0
July 2026 16 16 25.0% 0

How to read this chart

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