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WanderNerd

Flight Reliability

DL 945 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 945 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

79%
Arrive within 15 minutes
9 min
Average arrival delay
1.6%
Cancelled
6 min early
Median arrival delay

Based on 501 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(78 flights)
  • Tue83%(72 flights)
  • Wed84%(75 flights)
  • Thu72%(75 flights)
  • Fri75%(73 flights)
  • Sat81%(43 flights)
  • Sun85%(75 flights)
On-time by departure window
  • 6–9 AM83%(24 flights)
  • 9 AM–12 PM82%(87 flights)
  • 12–3 PM84%(154 flights)
  • 3–6 PM71%(66 flights)
  • 6–9 PM76%(160 flights)
On-time trend by month
82%
May

Jun 92% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%26
July 202569%26
August 202578%36
September 202582%27
October 202569%42
November 202583%35
December 202561%46
January 202677%53
February 202689%56
March 202681%36
April 202687%47
May 202682%61
Departures on time
78%
Diverted
0.4%
Flights flown
491
Months covered
12

Based on 501 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.