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Flight WN3544

Southwest Airlines flight WN3544

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  • Watch Ground Delay Program SAN

    Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes

    Reason: airport volume

    Airport status

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  • Advisory Coastal Flood Statement FLL

    COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING

    Weather

  • Advisory Coastal Flood Advisory CLD, SAN, SNA

    COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM FRIDAY TO NOON PST TUESDAY

    Weather

  • Advisory Coastal Flood Advisory OAK, SFO, SQL, STS

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

San Diego (SAN) to Sacramento (SMF)

Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 51 minutes. It was cancelled 0.0% of the time.

On-time arrivals
91.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
61
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 78%
  • Air traffic control & airport 13%
  • Security 9%
  • Late-arriving aircraft 0%
  • Extreme weather 0%

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

Oakland (OAK) to Los Angeles (LAX)

Historically, this flight arrives 15+ minutes late 24% of the time, and when it is late the delay averages 60 minutes. It was cancelled 0.0% of the time.

On-time arrivals
75.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
60 min
Flights arriving 15+ minutes late
Flights tracked
58
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 66%
  • Late-arriving aircraft 21%
  • Air traffic control & airport 9%
  • Security 3%
  • Extreme weather 0%

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

Ontario (ONT) to Sacramento (SMF)

Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 58 minutes. It was cancelled 0.0% of the time.

On-time arrivals
93.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
58 min
Flights arriving 15+ minutes late
Flights tracked
58
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 91%
  • Airline (crew, maintenance, cleaning) 9%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (MDW) to Boston (BOS)

Historically, this flight arrives 15+ minutes late 55% of the time, and when it is late the delay averages 79 minutes. It was cancelled 0.0% of the time.

On-time arrivals
45.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
79 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 47%
  • Airline (crew, maintenance, cleaning) 44%
  • Late-arriving aircraft 10%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Spokane (GEG)

Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 34 minutes. It was cancelled 0.0% of the time.

On-time arrivals
82.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
34 min
Flights arriving 15+ minutes late
Flights tracked
28
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 59%
  • Late-arriving aircraft 40%
  • Air traffic control & airport 1%
  • Extreme weather 0%
  • Security 0%

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

New York (LGA) to New Orleans (MSY)

Historically, this flight arrives 15+ minutes late 44% of the time, and when it is late the delay averages 78 minutes. It was cancelled 3.8% of the time.

On-time arrivals
56.0%
Less than 15 minutes late
Cancelled
3.8%
Of scheduled flights
Average delay when late
78 min
Flights arriving 15+ minutes late
Flights tracked
26
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 88%
  • Air traffic control & airport 7%
  • Airline (crew, maintenance, cleaning) 4%
  • Extreme weather 1%
  • Security 0%

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

Seattle (SEA) to Sacramento (SMF)

Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 77 minutes. It was cancelled 0.0% of the time.

On-time arrivals
70.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
77 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 46%
  • Late-arriving aircraft 46%
  • Air traffic control & airport 8%
  • Extreme weather 0%
  • Security 0%

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

Los Angeles (LAX) to Salt Lake City (SLC)

Only 18 flights on record, which is too few for reliable odds.

On-time arrivals
83.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
55 min
Flights arriving 15+ minutes late
Flights tracked
18
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 67%
  • Late-arriving aircraft 33%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Tucson (TUS) to Las Vegas (LAS)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals
86.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
28 min
Flights arriving 15+ minutes late
Flights tracked
15
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 55%
  • Airline (crew, maintenance, cleaning) 45%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Sacramento (SMF) to Las Vegas (LAS)

Only 12 flights on record, which is too few for reliable odds.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
80 min
Flights arriving 15+ minutes late
Flights tracked
12
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 77%
  • Air traffic control & airport 20%
  • Airline (crew, maintenance, cleaning) 3%
  • Extreme weather 0%
  • Security 0%

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

Austin (AUS) to Seattle (SEA)

Only 8 flights on record, which is too few for reliable odds.

On-time arrivals
87.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
36 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 100%
  • Late-arriving aircraft 0%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Los Angeles (LAX) to St Louis (STL)

Only 7 flights on record, which is too few for reliable odds.

On-time arrivals
85.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
25 min
Flights arriving 15+ minutes late
Flights tracked
7
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 60%
  • Airline (crew, maintenance, cleaning) 40%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Fort Lauderdale (FLL) to Indianapolis (IND)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

Denver (DEN) to Seattle (SEA)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
25.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
39 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Extreme weather 46%
  • Airline (crew, maintenance, cleaning) 37%
  • Late-arriving aircraft 10%
  • Air traffic control & airport 7%
  • Security 0%

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

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 46.7% 30
October 2025 60.0% 31
November 2025 96.2% 26
December 2025 89.7% 29
January 2026 100.0% 4
March 2026 88.6% 35
April 2026 72.1% 43
May 2026 83.7% 43
June 2026 87.5% 32
July 2026 90.3% 31
August 2026 66.7% 51

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.