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Flight Reliability

DL 4169 · Delta Air Lines

Minneapolis → Chicago (MSP–MDW)98% of its flights flew this route. The rest (XNA–MSP) are included in these numbers.

71
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
18 min
Average arrival delay
1.4%
Cancelled
2 min early
Median arrival delay

Based on 276 historical flights. Data through May 2026.

What the data says

Mondays have been rough.

DL 4169 arrived on time 81% of the time on Saturdays and just 65% on Mondays. That gap is worth planning around.

A bit behind the MSP–MDW route.

DL 4169 arrived on time 74% of the time, versus 80% across the MSP–MDW route.

Lagging the Delta Air Lines network.

DL 4169 arrived on time 74% of the time, versus 81% across the Delta Air Lines network.

Recent months have been rougher.

DL 4169 arrived on time 57% of the time over the last three months in the data, compared with 87% in the three months before that.

The breakdown

On-time by weekday
  • Mon65%(40 flights)
  • Tue78%(41 flights)
  • Wed81%(41 flights)
  • Thu74%(38 flights)
  • Fri68%(37 flights)
  • Sat81%(37 flights)
  • Sun73%(37 flights)
On-time by departure window
  • 9 AM–12 PM—(5 flights)
  • 3–6 PM74%(266 flights)
On-time trend by month
79%
Apr

Jun 77% → Apr 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202581%31
August 202573%30
September 202587%30
October 202597%30
November 202577%26
December 202550%30
January 202641%27
April 202679%19
Departures on time
79%
Diverted
0.4%
Flights flown
271
Months covered
12

Same route, other flights

Keep nerding

Based on 276 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.