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Flight AS348

Alaska Airlines flight AS348

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Looking for AS348 in the air…

Atlanta (ATL) to Seattle (SEA)

Historically, this flight arrives 15+ minutes late 28% of the time, and when it is late the delay averages 58 minutes. It was cancelled 1.2% of the time.

On-time arrivals
71.5%
Less than 15 minutes late
Cancelled
1.2%
Of scheduled flights
Average delay when late
58 min
Flights arriving 15+ minutes late
Flights tracked
160
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 47%
  • Airline (crew, maintenance, cleaning) 29%
  • Air traffic control & airport 21%
  • Extreme weather 2%
  • Security 1%

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

Seattle (SEA) to Dulles (IAD)

Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 37 minutes. It was cancelled 1.0% of the time.

On-time arrivals
86.0%
Less than 15 minutes late
Cancelled
1.0%
Of scheduled flights
Average delay when late
37 min
Flights arriving 15+ minutes late
Flights tracked
101
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 70%
  • Air traffic control & airport 20%
  • Airline (crew, maintenance, cleaning) 10%
  • Extreme weather 0%
  • Security 0%

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

Portland (PDX) to Seattle (SEA)

Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 37 minutes. It was cancelled 2.9% of the time.

On-time arrivals
81.8%
Less than 15 minutes late
Cancelled
2.9%
Of scheduled flights
Average delay when late
37 min
Flights arriving 15+ minutes late
Flights tracked
34
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 82%
  • Air traffic control & airport 10%
  • Airline (crew, maintenance, cleaning) 8%
  • Extreme weather 0%
  • 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 86.7% 30
October 2025 88.0% 26
November 2025 52.6% 20
December 2025 55.2% 29
January 2026 50.0% 19
February 2026 87.0% 23
March 2026 81.2% 17
April 2026 88.9% 9
May 2026 83.3% 30
June 2026 80.0% 30
July 2026 80.6% 31
August 2026 90.3% 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.