Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 2172 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2172 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

84%
Arrive within 15 minutes
0 min
Average arrival delay
0.2%
Cancelled
8 min early
Median arrival delay

Based on 402 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(65 flights)
  • Tue85%(58 flights)
  • Wed82%(55 flights)
  • Thu87%(60 flights)
  • Fri92%(63 flights)
  • Sat82%(34 flights)
  • Sun82%(66 flights)
On-time by departure window
  • 12–3 PM85%(215 flights)
  • 3–6 PM83%(150 flights)
  • 9 PM–12 AM78%(36 flights)
On-time trend by month
96%
May

Jun 87% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%47
July 202576%54
August 202588%51
September 202585%41
October 202589%54
November 202583%48
December 202571%38
February 202677%17
April 202681%16
May 202696%25
Departures on time
86%
Diverted
0%
Flights flown
401
Months covered
12

Keep nerding

Based on 402 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.