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Flight DL434

Delta Air Lines flight DL434

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Looking for DL434 in the air…

Atlanta (ATL) to New York (LGA)

Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 81 minutes. It was cancelled 2.9% of the time.

On-time arrivals
62.1%
Less than 15 minutes late
Cancelled
2.9%
Of scheduled flights
Average delay when late
81 min
Flights arriving 15+ minutes late
Flights tracked
340
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 54%
  • Airline (crew, maintenance, cleaning) 23%
  • Late-arriving aircraft 20%
  • Extreme weather 3%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

In the news

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Headlines found by Google News; stories open on the publisher's site.

On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 76.7% 30
October 2025 58.1% 31
November 2025 64.3% 29
December 2025 51.7% 31
January 2026 80.0% 31
February 2026 73.9% 25
March 2026 53.8% 27
April 2026 60.0% 26
May 2026 60.0% 30
June 2026 61.5% 27
July 2026 48.0% 27
August 2026 54.2% 26

Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data

Latest airport & airline headlines

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Headlines found by Google News; stories open on the publisher's site.