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Flight DL870

Delta Air Lines flight DL870

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Looking for DL870 in the air…

Seattle (SEA) to Dallas-Fort Worth (DFW)

Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 78 minutes. It was cancelled 2.2% of the time.

On-time arrivals
74.0%
Less than 15 minutes late
Cancelled
2.2%
Of scheduled flights
Average delay when late
78 min
Flights arriving 15+ minutes late
Flights tracked
356
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 54%
  • Late-arriving aircraft 37%
  • Air traffic control & airport 8%
  • Extreme weather 1%
  • 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 69.0% 31
November 2025 83.3% 30
December 2025 66.7% 28
January 2026 65.4% 30
February 2026 82.1% 28
March 2026 86.2% 31
April 2026 73.3% 30
May 2026 85.7% 29
June 2026 53.6% 28
July 2026 66.7% 30
August 2026 77.4% 31

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.