Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 2140 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2140 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
6 min
Average arrival delay
6.5%
Cancelled
10 min early
Median arrival delay

Based on 415 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(61 flights)
  • Tue83%(70 flights)
  • Wed82%(67 flights)
  • Thu78%(63 flights)
  • Fri86%(62 flights)
  • Sat—(9 flights)
  • Sun67%(55 flights)
On-time by departure window
  • 6–9 AM87%(138 flights)
  • 9 AM–12 PM84%(117 flights)
  • 12–3 PM64%(64 flights)
  • 3–6 PM68%(68 flights)
On-time trend by month
85%
May

Jun 100% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%12
October 202565%43
November 202560%45
December 202571%42
January 202689%44
February 202685%41
March 202680%44
April 202684%50
May 202685%58
Departures on time
79%
Diverted
0.2%
Flights flown
387
Months covered
10

Keep nerding

Based on 415 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.