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Flight DL551

Delta Air Lines flight DL551

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Looking for DL551 in the air…

Dallas-Fort Worth (DFW) to New York (LGA)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 125 minutes. It was cancelled 1.5% of the time.

On-time arrivals
85.4%
Less than 15 minutes late
Cancelled
1.5%
Of scheduled flights
Average delay when late
125 min
Flights arriving 15+ minutes late
Flights tracked
201
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 57%
  • Air traffic control & airport 16%
  • Extreme weather 16%
  • Late-arriving aircraft 11%
  • Security 0%

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

Chicago (ORD) to New York (LGA)

Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 71 minutes. It was cancelled 2.2% of the time.

On-time arrivals
90.9%
Less than 15 minutes late
Cancelled
2.2%
Of scheduled flights
Average delay when late
71 min
Flights arriving 15+ minutes late
Flights tracked
45
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 56%
  • Airline (crew, maintenance, cleaning) 25%
  • Late-arriving aircraft 16%
  • Extreme weather 3%
  • Security 0%

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

Detroit (DTW) to Orlando (MCO)

Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 79 minutes. It was cancelled 6.1% of the time.

On-time arrivals
71.0%
Less than 15 minutes late
Cancelled
6.1%
Of scheduled flights
Average delay when late
79 min
Flights arriving 15+ minutes late
Flights tracked
33
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 56%
  • Airline (crew, maintenance, cleaning) 33%
  • Late-arriving aircraft 11%
  • Extreme weather 0%
  • Security 0%

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

Orlando (MCO) to Detroit (DTW)

Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 137 minutes. It was cancelled 7.1% of the time.

On-time arrivals
61.5%
Less than 15 minutes late
Cancelled
7.1%
Of scheduled flights
Average delay when late
137 min
Flights arriving 15+ minutes late
Flights tracked
28
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 39%
  • Air traffic control & airport 35%
  • Airline (crew, maintenance, cleaning) 17%
  • Extreme weather 9%
  • Security 0%

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

Boston (BOS) to Los Angeles (LAX)

Historically, this flight arrives 15+ minutes late 43% of the time, and when it is late the delay averages 67 minutes. It was cancelled 0.0% of the time.

On-time arrivals
57.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
67 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 66%
  • Air traffic control & airport 31%
  • Airline (crew, maintenance, cleaning) 2%
  • Extreme weather 0%
  • Security 0%

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

Savannah (SAV) to New York (LGA)

Only 16 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
77 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 57%
  • Extreme weather 43%
  • Late-arriving aircraft 0%
  • Air traffic control & airport 0%
  • 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 88.9% 27
October 2025 81.5% 27
November 2025 88.5% 26
December 2025 82.1% 29
January 2026 91.7% 24
February 2026 94.7% 20
March 2026 63.3% 53
April 2026 65.5% 29
May 2026 86.7% 30
June 2026 88.0% 26
July 2026 80.8% 27
August 2026 84.6% 26

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.