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Flight Reliability

DL 347 · Delta Air Lines

Orlando → Seattle (MCO–SEA)

90
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
2 min early
Average arrival delay
0.5%
Cancelled
9 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

DL 347 departing between 9 AM–12 PM arrived on time 88% of the time, versus 80% between 6–9 AM.

Skip Tuesday if you can.

DL 347 arrived on time 94% of the time on Sundays. On Tuesdays: 80%.

Better than the MCO–SEA route average.

DL 347 arrived on time 86% of the time, versus 77% across the MCO–SEA route.

A bit ahead of the Delta Air Lines network.

DL 347 arrived on time 86% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon82%(51 flights)
  • Tue80%(51 flights)
  • Wed90%(52 flights)
  • Thu81%(52 flights)
  • Fri90%(51 flights)
  • Sat83%(52 flights)
  • Sun94%(52 flights)
On-time by departure window
  • 6–9 AM80%(94 flights)
  • 9 AM–12 PM88%(267 flights)
On-time trend by month
90%
May

Jun 97% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202584%31
August 202581%31
September 2025100%30
October 202590%31
November 202593%30
December 202568%31
January 202677%31
February 202674%27
March 202675%28
April 2026100%30
May 202690%31
Departures on time
88%
Diverted
0.5%
Flights flown
361
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.