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Flight DL1515

Delta Air Lines flight DL1515

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Looking for DL1515 in the air…

Portland (PWM) to Atlanta (ATL)

Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 68 minutes. It was cancelled 0.9% of the time.

On-time arrivals
90.5%
Less than 15 minutes late
Cancelled
0.9%
Of scheduled flights
Average delay when late
68 min
Flights arriving 15+ minutes late
Flights tracked
117
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 76%
  • Air traffic control & airport 17%
  • Extreme weather 7%
  • Late-arriving aircraft 0%
  • Security 0%

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

St Louis (STL) to Minneapolis (MSP)

Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 117 minutes. It was cancelled 1.9% of the time.

On-time arrivals
83.8%
Less than 15 minutes late
Cancelled
1.9%
Of scheduled flights
Average delay when late
117 min
Flights arriving 15+ minutes late
Flights tracked
107
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 50%
  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 6%
  • Extreme weather 2%
  • Security 0%

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

Cincinnati / Covington (CVG) to Atlanta (ATL)

Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 47 minutes. It was cancelled 1.6% of the time.

On-time arrivals
75.4%
Less than 15 minutes late
Cancelled
1.6%
Of scheduled flights
Average delay when late
47 min
Flights arriving 15+ minutes late
Flights tracked
62
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 57%
  • Airline (crew, maintenance, cleaning) 26%
  • Air traffic control & airport 17%
  • Extreme weather 0%
  • Security 0%

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

New Orleans (MSY) to New York (LGA)

Historically, this flight arrives 15+ minutes late 56% of the time, and when it is late the delay averages 74 minutes. It was cancelled 2.8% of the time.

On-time arrivals
44.1%
Less than 15 minutes late
Cancelled
2.8%
Of scheduled flights
Average delay when late
74 min
Flights arriving 15+ minutes late
Flights tracked
36
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 35%
  • Late-arriving aircraft 22%
  • Extreme weather 0%
  • Security 0%

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

Los Angeles (LAX) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.

On-time arrivals
71.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 39%
  • Late-arriving aircraft 34%
  • Airline (crew, maintenance, cleaning) 27%
  • Extreme weather 0%
  • Security 0%

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

Atlanta (ATL) to Greensboro (GSO)

Only 12 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
12
Scheduled flights in the period

Greensboro (GSO) to Atlanta (ATL)

Only 12 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
12
Scheduled flights in the period

New York (LGA) to New Orleans (MSY)

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

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 93.1% 29
October 2025 87.1% 31
November 2025 85.7% 28
December 2025 80.0% 37
January 2026 81.2% 33
February 2026 75.0% 28
March 2026 50.0% 34
April 2026 70.0% 30
May 2026 86.7% 30
June 2026 93.1% 30
July 2026 90.3% 31
August 2026 87.1% 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.