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Flight DL1503

Delta Air Lines flight DL1503

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

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Salt Lake City (SLC) to Spokane (GEG)

Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 65 minutes. It was cancelled 1.0% of the time.

On-time arrivals
79.1%
Less than 15 minutes late
Cancelled
1.0%
Of scheduled flights
Average delay when late
65 min
Flights arriving 15+ minutes late
Flights tracked
193
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 56%
  • Late-arriving aircraft 35%
  • Air traffic control & airport 6%
  • Extreme weather 3%
  • Security 0%

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

Spokane (GEG) to Salt Lake City (SLC)

Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 61 minutes. It was cancelled 1.0% of the time.

On-time arrivals
84.0%
Less than 15 minutes late
Cancelled
1.0%
Of scheduled flights
Average delay when late
61 min
Flights arriving 15+ minutes late
Flights tracked
191
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 83%
  • Airline (crew, maintenance, cleaning) 10%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

New York (JFK) to San Francisco (SFO)

Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 35 minutes. It was cancelled 0.0% of the time.

On-time arrivals
67.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
35 min
Flights arriving 15+ minutes late
Flights tracked
34
Scheduled flights in the period

What caused the delays

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

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

Atlanta (ATL) to Cincinnati / Covington (CVG)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 52 minutes. It was cancelled 0.0% of the time.

On-time arrivals
83.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
52 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 61%
  • Airline (crew, maintenance, cleaning) 31%
  • Late-arriving aircraft 7%
  • Extreme weather 0%
  • Security 0%

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

Atlanta (ATL) to Charlottesville (CHO)

Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 36 minutes. It was cancelled 4.3% of the time.

On-time arrivals
86.4%
Less than 15 minutes late
Cancelled
4.3%
Of scheduled flights
Average delay when late
36 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 76%
  • Air traffic control & airport 24%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Charlottesville (CHO) to Atlanta (ATL)

Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 41 minutes. It was cancelled 4.3% of the time.

On-time arrivals
90.9%
Less than 15 minutes late
Cancelled
4.3%
Of scheduled flights
Average delay when late
41 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 53%
  • Air traffic control & airport 29%
  • Late-arriving aircraft 19%
  • Extreme weather 0%
  • Security 0%

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

Detroit (DTW) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 44 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
44 min
Flights arriving 15+ minutes late
Flights tracked
20
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 72%
  • Late-arriving aircraft 21%
  • Air traffic control & airport 7%
  • Extreme weather 0%
  • Security 0%

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

Detroit (DTW) to San Juan (SJU)

Only 17 flights on record, which is too few for reliable odds.

On-time arrivals
68.8%
Less than 15 minutes late
Cancelled
5.9%
Of scheduled flights
Average delay when late
41 min
Flights arriving 15+ minutes late
Flights tracked
17
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 70%
  • Airline (crew, maintenance, cleaning) 29%
  • Late-arriving aircraft 1%
  • Extreme weather 0%
  • Security 0%

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

San Juan (SJU) to Detroit (DTW)

Only 17 flights on record, which is too few for reliable odds.

On-time arrivals
62.5%
Less than 15 minutes late
Cancelled
5.9%
Of scheduled flights
Average delay when late
42 min
Flights arriving 15+ minutes late
Flights tracked
17
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 53%
  • Air traffic control & airport 29%
  • Airline (crew, maintenance, cleaning) 18%
  • Extreme weather 0%
  • Security 0%

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

Columbus (CMH) to Detroit (DTW)

Only 2 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
2
Scheduled flights in the period

Detroit (DTW) to Columbus (CMH)

Only 2 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
2
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 85.4% 41
October 2025 91.1% 56
November 2025 73.2% 43
December 2025 75.0% 62
January 2026 82.4% 38
February 2026 83.3% 36
March 2026 76.7% 30
April 2026 67.9% 28
May 2026 83.3% 30
June 2026 81.7% 60
July 2026 79.7% 60
August 2026 79.0% 62

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.