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Flight Reliability

DL 3101 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3101 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

77%
Arrive within 15 minutes
6 min
Average arrival delay
2.1%
Cancelled
10 min early
Median arrival delay

Based on 624 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(95 flights)
  • Tue76%(90 flights)
  • Wed76%(92 flights)
  • Thu76%(93 flights)
  • Fri76%(91 flights)
  • Sat73%(62 flights)
  • Sun76%(88 flights)
On-time by departure window
  • 3–6 PM75%(341 flights)
  • 6–9 PM79%(270 flights)
On-time trend by month
74%
May

Jun 55% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%49
July 202554%52
August 202569%58
September 202580%60
October 202589%62
November 202573%52
December 202579%38
January 202690%49
February 202683%47
March 202682%34
April 202694%48
May 202674%62
Departures on time
73%
Diverted
0%
Flights flown
611
Months covered
12

Keep nerding

Based on 624 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.