OnTimeRoutes
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Delta Air Lines LAX to SFO on-time performance

Delta Air Lines nonstop flights from Los Angeles to San Francisco · Aug 2025 – Jul 2026

On-time arrivals
63%
arrived < 15 min late
Cancelled
1.6%
38 flights
Avg arrival delay
21 min
54 min when late
Rank on route
#3 of 7
route average 62% on time

Key facts

  • Delta Air Lines flights on LAX to SFO arrived on time 63% of the time in Aug 2025 – Jul 2026.
  • 1.6% were cancelled, and 11% arrived an hour or more late.
  • That ranks #3 of 7 airlines on this route, which averaged 62% on time overall.
  • The largest source of delay minutes was air traffic control & airport congestion (52%).

On-time trend by month

30%65%100%July 2025: 69.1% on time, 0.5% cancelledJul ’25August 2025: 79.8% on time, 0.5% cancelledAug ’25September 2025: 70.6% on time, 0.0% cancelledSep ’25October 2025: 64.4% on time, 0.0% cancelledOct ’25November 2025: 59.1% on time, 1.6% cancelledNov ’25December 2025: 62.4% on time, 1.1% cancelledDec ’25January 2026: 82.2% on time, 0.6% cancelledJan ’26February 2026: 72.6% on time, 2.2% cancelledFeb ’26March 2026: 85.9% on time, 5.2% cancelledMar ’26April 2026: 49.3% on time, 1.5% cancelledApr ’26May 2026: 41.8% on time, 4.7% cancelledMay ’26June 2026: 48.3% on time, 0.0% cancelledJun ’26July 2026: 43.2% on time, 1.4% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Air traffic control & airport congestion52%
  • Airline (crew, maintenance, cleaning, fueling)28%
  • Late-arriving aircraft19%
  • Extreme weather2%
  • Security0%

Other airlines on LAX to SFO

Full LAX to SFO comparison →
Delta Air Lines on-time record across all routes →

2,374 Delta Air Lines flights tracked on this route; 38 cancelled, 0 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.