DL1224

DL1224 (Delta Air Lines) is a multi-stop service on 10 routes, busiest Salt Lake City to Oakland. Of 660 departures recorded from October 2024 to July 2026, 77.2% 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
January3142▲ 35.5%
February2844▲ 57.1%
March3136▲ 16.1%
April230▲ 1,400.0%
May269▼ 65.4%
June3349▲ 48.5%
July3262▲ 93.8%
August30––
September26––
October27–in progress
November25––
December16––
Year to date (Jan–Jul)183272▲ 48.6%

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
January80.7%92.5%▲ 14.7%
February75.0%77.3%▲ 3.0%
March100.0%77.1%▼ 22.9%
April100.0%83.3%▼ 16.7%
May100.0%66.7%▼ 33.3%
June56.7%85.7%▲ 51.2%
July55.6%85.5%▲ 53.9%
August66.7%––
September64.0%––
October44.4%–in progress
November45.8%––
December42.9%––
Year-to-date average (Jan–Jul)81.1%81.2%0.0%

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
January02–
February00–
March01–
April00–
May00–
June30▼ 100.0%
July50▼ 100.0%
August0––
September1––
October0–in progress
November1––
December2––
Year to date (Jan–Jul)83▼ 62.5%

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 97.7% 645
  • Cancelled 2.3% 15

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

On time, leg by leg

  1. SLC–OAK174 87.4%
  2. DFW–LGA166 49.4%
  3. SLC–ONT57 87.3%
  4. ONT–SLC57 87.3%
  5. PVD–MSP55 83.6%
  6. MSP–PVD55 89.1%
  7. DTW–PIT36 71.4%
  8. LAS–SLC32 100.0%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 85.0% 0
November 2024 30 30 96.7% 0
December 2024 31 31 83.9% 0
January 2025 31 31 80.7% 0
February 2025 28 28 75.0% 0
March 2025 31 31 100.0% 0
April 2025 2 2 100.0% 0
May 2025 26 26 100.0% 0
June 2025 33 30 56.7% 3
July 2025 32 27 55.6% 5
August 2025 30 30 66.7% 0
September 2025 26 25 64.0% 1
October 2025 27 27 44.4% 0
November 2025 25 24 45.8% 1
December 2025 16 14 42.9% 2
January 2026 42 40 92.5% 2
February 2026 44 44 77.3% 0
March 2026 36 35 77.1% 1
April 2026 30 30 83.3% 0
May 2026 9 9 66.7% 0
June 2026 49 49 85.7% 0
July 2026 62 62 85.5% 0

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