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WanderNerd

Flight Reliability

DL 1544 · Delta Air Lines

Minneapolis → Chicago (MSPORD)91% of its flights flew this route. The rest (ATL–EGE, EGE–ATL) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
7 min
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 373 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 1544 departing between 6–9 AM arrived on time 81% of the time, versus 56% between 3–6 PM.

Saturdays have been rough.

DL 1544 arrived on time 85% of the time on Tuesdays and just 59% on Saturdays. That gap is worth planning around.

Better than the MSP–ORD route average.

DL 1544 arrived on time 78% of the time, versus 71% across the MSP–ORD route.

It basically never cancels.

Out of 373 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon82%(54 flights)
  • Tue85%(54 flights)
  • Wed80%(54 flights)
  • Thu83%(53 flights)
  • Fri81%(52 flights)
  • Sat59%(49 flights)
  • Sun78%(54 flights)
On-time by departure window
  • 6–9 AM81%(338 flights)
  • 12–3 PM56%(16 flights)
  • 3–6 PM56%(16 flights)
On-time trend by month
94%
May

Jun 80% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202567%30
August 202567%30
September 202593%30
October 202587%31
November 202579%28
December 202558%43
January 202671%34
February 202682%28
March 202685%27
April 202689%28
May 202694%31
Departures on time
86%
Diverted
0.5%
Flights flown
370
Months covered
12

Based on 373 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.