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Flight Reliability

DL 2457 · Delta Air Lines

Los Angeles → Portland (LAX–PDX)

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
1 min
Average arrival delay
0.7%
Cancelled
11 min early
Median arrival delay

Based on 303 historical flights. Data through May 2026.

What the data says

Thursdays have been rough.

DL 2457 arrived on time 93% of the time on Saturdays and just 71% on Thursdays. That gap is worth planning around.

A bit behind the LAX–PDX route.

DL 2457 arrived on time 81% of the time, versus 86% across the LAX–PDX route.

Trending in the right direction.

DL 2457 arrived on time 86% of the time over the last three months in the data, compared with 70% in the three months before that.

The breakdown

On-time by weekday
  • Mon81%(47 flights)
  • Tue88%(43 flights)
  • Wed81%(43 flights)
  • Thu71%(44 flights)
  • Fri72%(46 flights)
  • Sat93%(30 flights)
  • Sun83%(48 flights)
On-time by departure window
  • 6–9 PM81%(298 flights)
  • 9 PM–12 AM—(3 flights)
On-time trend by month
90%
May

Jun 71% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%28
July 202574%31
August 202587%31
September 202583%30
October 202589%28
November 202576%25
December 202576%29
January 202658%12
March 202688%24
April 202682%28
May 202690%29
Departures on time
78%
Diverted
0%
Flights flown
301
Months covered
12

Same route, other flights

Keep nerding

Based on 303 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.