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Flight WN3970

Southwest Airlines flight WN3970

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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 Advisory CLD, SAN, SNA

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

    Weather

Providence/Warwick (PVD) to Orlando (MCO)

Historically, this flight arrives 15+ minutes late 2% of the time, and when it is late the delay averages 60 minutes. It was cancelled 0.0% of the time.

On-time arrivals
98.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
60 min
Flights arriving 15+ minutes late
Flights tracked
57
Scheduled flights in the period

What caused the delays

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

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

Phoenix (PHX) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 39 minutes. It was cancelled 7.3% of the time.

On-time arrivals
78.9%
Less than 15 minutes late
Cancelled
7.3%
Of scheduled flights
Average delay when late
39 min
Flights arriving 15+ minutes late
Flights tracked
41
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 58%
  • Airline (crew, maintenance, cleaning) 21%
  • Air traffic control & airport 21%
  • Extreme weather 0%
  • Security 0%

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

San Diego (SAN) to Phoenix (PHX)

Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.0% of the time.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
49 min
Flights arriving 15+ minutes late
Flights tracked
36
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 62%
  • Airline (crew, maintenance, cleaning) 21%
  • Air traffic control & airport 17%
  • Extreme weather 0%
  • Security 0%

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

St Louis (STL) to Omaha (OMA)

Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 52 minutes. It was cancelled 0.0% of the time.

On-time arrivals
74.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
52 min
Flights arriving 15+ minutes late
Flights tracked
35
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Airline (crew, maintenance, cleaning) 26%
  • Extreme weather 3%
  • Air traffic control & airport 2%
  • Security 0%

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

Chicago (ORD) to Orlando (MCO)

Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.

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
31
Scheduled flights in the period

Tucson (TUS) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 54 minutes. It was cancelled 0.0% of the time.

On-time arrivals
96.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
54 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

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

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

Omaha (OMA) to Phoenix (PHX)

Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 60 minutes. It was cancelled 0.0% of the time.

On-time arrivals
66.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
60 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 70%
  • Air traffic control & airport 24%
  • Airline (crew, maintenance, cleaning) 6%
  • Extreme weather 0%
  • Security 0%

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

Houston (HOU) to Los Angeles (LAX)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
62.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
45 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 74%
  • Air traffic control & airport 26%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Phoenix (PHX)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
62.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
39 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 52%
  • Air traffic control & airport 24%
  • Airline (crew, maintenance, cleaning) 24%
  • Extreme weather 0%
  • Security 0%

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

Austin (AUS) to El Paso (ELP)

Only 13 flights on record, which is too few for reliable odds.

On-time arrivals
76.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
25 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 65%
  • Airline (crew, maintenance, cleaning) 35%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Omaha (OMA) to Austin (AUS)

Only 13 flights on record, which is too few for reliable odds.

On-time arrivals
76.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
32 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 61%
  • Air traffic control & airport 36%
  • Extreme weather 2%
  • Airline (crew, maintenance, cleaning) 1%
  • Security 0%

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

Orlando (MCO) to Houston (HOU)

Only 9 flights on record, which is too few for reliable odds.

On-time arrivals
77.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
81 min
Flights arriving 15+ minutes late
Flights tracked
9
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 55%
  • Air traffic control & airport 33%
  • Late-arriving aircraft 12%
  • Extreme weather 0%
  • Security 0%

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

Phoenix (PHX) to Colorado Springs (COS)

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

On-time arrivals
62.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
66 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 70%
  • Airline (crew, maintenance, cleaning) 24%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

Chicago (MDW) to Atlanta (ATL)

Only 4 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
4
Scheduled flights in the period

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 100.0% 30
October 2025 83.3% 6
November 2025 78.2% 58
December 2025 69.6% 56
January 2026 80.8% 26
February 2026 75.0% 16
March 2026 66.7% 15
April 2026 96.3% 27
May 2026 96.7% 30
June 2026 66.7% 18
July 2026 81.2% 16
August 2026 89.7% 29

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.