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Flight Reliability

DL 492 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 492 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

81%
Arrive within 15 minutes
3 min
Average arrival delay
1.1%
Cancelled
4 min early
Median arrival delay

Based on 653 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(92 flights)
  • Tue87%(93 flights)
  • Wed82%(92 flights)
  • Thu83%(92 flights)
  • Fri78%(94 flights)
  • Sat75%(88 flights)
  • Sun76%(93 flights)
On-time by departure window
  • 6–9 AM84%(360 flights)
  • 9 AM–12 PM77%(264 flights)
  • 12–3 PM90%(20 flights)
On-time trend by month
89%
May

Jun 85% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%60
July 202576%62
August 202569%61
September 202580%60
October 202595%62
November 202571%59
December 202575%48
January 202677%56
February 202685%54
March 202692%36
April 202687%30
May 202689%56
Departures on time
88%
Diverted
0.3%
Flights flown
644
Months covered
12

Keep nerding

Based on 653 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.