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Flight Reliability

DL 1201 · Delta Air Lines

Orlando → Detroit (MCO–DTW)

100
Nerd Approved
WanderNerd Reliability Score
94%
Arrive within 15 minutes
6 min early
Average arrival delay
0.5%
Cancelled
10 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Skip Tuesday if you can.

DL 1201 arrived on time 98% of the time on Sundays. On Tuesdays: 86%.

Well ahead of the MCO–DTW route.

DL 1201 arrived on time 94% of the time, versus 74% across the MCO–DTW route.

Better than the Delta Air Lines network average.

DL 1201 arrived on time 94% of the time, versus 81% across the Delta Air Lines network.

Ticking up lately.

DL 1201 arrived on time 93% of the time over the last three months in the data, compared with 89% in the three months before that.

The breakdown

On-time by weekday
  • Mon96%(52 flights)
  • Tue86%(51 flights)
  • Wed92%(52 flights)
  • Thu94%(52 flights)
  • Fri96%(51 flights)
  • Sat96%(52 flights)
  • Sun98%(53 flights)
On-time by departure window
  • 6–9 AM94%(362 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
93%
May

Jun 100% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%30
July 202593%30
August 202594%31
September 2025100%30
October 202597%31
November 2025100%30
December 202590%31
January 202687%31
February 202689%28
March 202694%31
April 202693%30
May 202693%30
Departures on time
95%
Diverted
0%
Flights flown
363
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.