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Flight Reliability

DL 469 · Delta Air Lines

Detroit → San Francisco (DTW–SFO)98% of its flights flew this route. The rest (SAN–SEA) are included in these numbers.

81
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
13 min
Average arrival delay
0.7%
Cancelled
3 min early
Median arrival delay

Based on 306 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

DL 469 arrived on time 86% of the time on Wednesdays and just 64% on Fridays. That gap is worth planning around.

A bit ahead of the DTW–SFO route.

DL 469 arrived on time 78% of the time, versus 73% across the DTW–SFO route.

A bit behind the Delta Air Lines network.

DL 469 arrived on time 78% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon72%(43 flights)
  • Tue83%(42 flights)
  • Wed86%(43 flights)
  • Thu81%(42 flights)
  • Fri64%(42 flights)
  • Sat81%(47 flights)
  • Sun76%(45 flights)
On-time by departure window
  • 12–3 PM78%(299 flights)
  • 3–6 PM—(5 flights)
On-time trend by month
61%
May

Jun 97% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202587%31
August 202590%31
September 202597%30
October 202587%31
November 202570%27
December 202547%30
March 202663%24
April 202680%30
May 202661%31
Departures on time
84%
Diverted
0%
Flights flown
304
Months covered
12

Same route, other flights

Keep nerding

Based on 306 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.