Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 346 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 346 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

82%
Arrive within 15 minutes
5 min
Average arrival delay
1.8%
Cancelled
4 min early
Median arrival delay

Based on 439 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(64 flights)
  • Tue84%(63 flights)
  • Wed84%(64 flights)
  • Thu83%(64 flights)
  • Fri80%(60 flights)
  • Sat74%(49 flights)
  • Sun85%(65 flights)
On-time by departure window
  • 6–9 AM87%(103 flights)
  • 9 AM–12 PM80%(326 flights)
On-time trend by month
80%
May

Jun 69% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202577%31
August 202587%31
September 202587%30
October 202573%26
November 202585%26
December 202575%28
January 202677%30
February 202691%45
March 202683%60
April 202686%58
May 202680%35
Departures on time
84%
Diverted
0.5%
Flights flown
429
Months covered
12

Keep nerding

Based on 439 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.