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Flight Reliability

DL 2177 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2177 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

88%
Arrive within 15 minutes
2 min early
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 417 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(61 flights)
  • Tue87%(60 flights)
  • Wed88%(59 flights)
  • Thu95%(59 flights)
  • Fri85%(59 flights)
  • Sat91%(58 flights)
  • Sun83%(60 flights)
On-time by departure window
  • 6–9 AM—(9 flights)
  • 9 AM–12 PM89%(140 flights)
  • 12–3 PM90%(207 flights)
  • 3–6 PM75%(60 flights)
On-time trend by month
90%
May

Jun 79% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%57
July 202591%57
August 202592%61
September 202593%60
October 202592%62
January 202678%27
February 202675%28
April 202694%18
May 202690%31
Departures on time
89%
Diverted
0.2%
Flights flown
416
Months covered
11

Keep nerding

Based on 417 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.