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Flight Reliability

DL 349 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 349 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

83%
Arrive within 15 minutes
2 min
Average arrival delay
1.4%
Cancelled
9 min early
Median arrival delay

Based on 560 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(77 flights)
  • Tue82%(81 flights)
  • Wed80%(78 flights)
  • Thu81%(78 flights)
  • Fri87%(78 flights)
  • Sat77%(78 flights)
  • Sun90%(80 flights)
On-time by departure window
  • 6–9 AM96%(25 flights)
  • 9 AM–12 PM84%(214 flights)
  • 12–3 PM80%(263 flights)
  • 3–6 PM83%(48 flights)
On-time trend by month
95%
May

Jun 81% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%59
July 202558%60
August 202584%62
September 202595%59
October 202590%10
November 202593%15
December 202590%19
January 202683%57
February 202680%55
March 202677%57
April 202688%60
May 202695%37
Departures on time
84%
Diverted
0.4%
Flights flown
550
Months covered
12

Keep nerding

Based on 560 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.