ATL → BUF

DL2334

DL2334 (Delta Air Lines) flies Atlanta to Buffalo. Of 658 departures recorded from October 2024 to July 2026, 78.8% left on time, according to the US BTS.

Recorded departures by month

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January31310.0%
February28280.0%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)2122120.0%

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
January90.0%80.0%▼ 11.1%
February85.7%92.9%▲ 8.3%
March87.1%74.2%▼ 14.8%
April86.7%93.3%▲ 7.7%
May77.4%66.7%▼ 13.9%
June42.9%79.3%▲ 85.0%
July63.3%48.4%▼ 23.6%
August93.3%––
September96.7%––
October87.1%–in progress
November85.7%––
December60.0%––
Year-to-date average (Jan–Jul)76.2%76.4%▲ 0.3%

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
January110.0%
February00–
March00–
April00–
May01–
June21▼ 50.0%
July10▼ 100.0%
August1––
September0––
October0–in progress
November2––
December1––
Year to date (Jan–Jul)43▼ 25.0%

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.

Cancellation share

  • Not cancelled 98.3% 647
  • Cancelled 1.7% 11

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

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
ATL BUF Hartsfield Jackson Atlanta International Airport – Buffalo Niagara International Airport 1,147 12.0 min 78.8% 658
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 80.0% 0
November 2024 30 30 90.0% 0
December 2024 31 31 74.2% 0
January 2025 31 30 90.0% 1
February 2025 28 28 85.7% 0
March 2025 31 31 87.1% 0
April 2025 30 30 86.7% 0
May 2025 31 31 77.4% 0
June 2025 30 28 42.9% 2
July 2025 31 30 63.3% 1
August 2025 31 30 93.3% 1
September 2025 30 30 96.7% 0
October 2025 31 31 87.1% 0
November 2025 30 28 85.7% 2
December 2025 31 30 60.0% 1
January 2026 31 30 80.0% 1
February 2026 28 28 92.9% 0
March 2026 31 31 74.2% 0
April 2026 30 30 93.3% 0
May 2026 31 30 66.7% 1
June 2026 30 29 79.3% 1
July 2026 31 31 48.4% 0

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