DL834

DL834 (Delta Air Lines) is a multi-stop service on 8 routes, busiest Atlanta to Las Vegas. Of 626 departures recorded from October 2024 to July 2026, 73.4% 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
January3927▼ 30.8%
February3214▼ 56.3%
March3325▼ 24.2%
April3028▼ 6.7%
May3129▼ 6.5%
June276▼ 77.8%
July2715▼ 44.4%
August26––
September26––
October27–in progress
November25––
December29––
Year to date (Jan–Jul)219144▼ 34.2%

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
January84.2%81.5%▼ 3.2%
February87.5%85.7%▼ 2.0%
March87.9%58.3%▼ 33.6%
April86.7%75.0%▼ 13.5%
May87.1%62.1%▼ 28.7%
June55.6%66.7%▲ 20.0%
July36.0%60.0%▲ 66.7%
August57.7%––
September46.2%––
October69.2%–in progress
November57.1%––
December55.2%––
Year-to-date average (Jan–Jul)75.0%69.9%▼ 6.8%

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
January10▼ 100.0%
February00–
March01–
April00–
May00–
June00–
July20▼ 100.0%
August0––
September0––
October1–in progress
November4––
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 98.6% 617
  • Cancelled 1.4% 9

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

On time, leg by leg

  1. ATL–LAS253 87.7%
  2. MIA–LGA168 50.3%
  3. LAS–ATL65 84.6%
  4. ATL–SEA45 60.0%
  5. MCO–SLC36 51.4%
  6. DTW–IND33 81.8%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 48 48 97.9% 0
December 2024 62 62 77.4% 0
January 2025 39 38 84.2% 1
February 2025 32 32 87.5% 0
March 2025 33 33 87.9% 0
April 2025 30 30 86.7% 0
May 2025 31 31 87.1% 0
June 2025 27 27 55.6% 0
July 2025 27 25 36.0% 2
August 2025 26 26 57.7% 0
September 2025 26 26 46.2% 0
October 2025 27 26 69.2% 1
November 2025 25 21 57.1% 4
December 2025 29 29 55.2% 0
January 2026 27 27 81.5% 0
February 2026 14 14 85.7% 0
March 2026 25 24 58.3% 1
April 2026 28 28 75.0% 0
May 2026 29 29 62.1% 0
June 2026 6 6 66.7% 0
July 2026 15 15 60.0% 0

How to read this chart

Loading the guide…