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Flight Reliability

DL 4270 · Delta Air Lines

Minneapolis → IMT (MSP–IMT)

70
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
9 min
Average arrival delay
3.3%
Cancelled
11 min early
Median arrival delay

Based on 363 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

DL 4270 arrived on time 90% of the time on Tuesdays and just 65% on Fridays. That gap is worth planning around.

A bit behind the Delta Air Lines network.

DL 4270 arrived on time 78% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 4270 was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

DL 4270 arrived on time 83% of the time over the last three months in the data, compared with 69% in the three months before that.

The breakdown

On-time by weekday
  • Mon71%(51 flights)
  • Tue90%(50 flights)
  • Wed80%(50 flights)
  • Thu80%(49 flights)
  • Fri65%(48 flights)
  • Sat86%(50 flights)
  • Sun75%(51 flights)
On-time by departure window
  • 12–3 PM—(2 flights)
  • 3–6 PM78%(347 flights)
On-time trend by month
94%
May

Jun 87% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202581%31
August 202584%31
September 202583%30
October 202565%31
November 202578%27
December 202571%28
January 202662%29
February 202674%27
March 202685%26
April 202671%28
May 202694%31
Departures on time
77%
Diverted
0.6%
Flights flown
349
Months covered
12

Keep nerding

Based on 363 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.