DL1812

DL1812 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Atlanta to Tampa. Of 176 departures recorded from October 2025 to June 2026, 69.0% 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 periods5 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–––
February–––
March–––
April–––
May–25–
June–6–
July–––
August–––
September–––
October51–in progress
November56––
December38––

according to the US BTS · October 2025 → June 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 periods5 periods
PeriodOn time 2025On time 2026Change vs last year
January–––
February–––
March–––
April–––
May–80.0%–
June–50.0%–
July–––
August–––
September–––
October66.7%–in progress
November76.8%––
December55.6%––

according to the US BTS · October 2025 → June 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2025 → June 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods5 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–––
February–––
March–––
April–––
May–0–
June–0–
July–––
August–––
September–––
October0–in progress
November0––
December2––

according to the US BTS · October 2025 → June 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% 174
  • Cancelled 1.1% 2

Share of all recorded flights in the period, all legs. · Oct 6, 2025 → Jun 6, 2026

On time, leg by leg

  1. ATL–TPA73 70.8%
  2. TPA–ATL72 64.8%
  3. AUS–DTW31 74.2%

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 2025 51 51 66.7% 0
November 2025 56 56 76.8% 0
December 2025 38 36 55.6% 2
May 2026 25 25 80.0% 0
June 2026 6 6 50.0% 0

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