MCI to SFO flight delays & on-time performance
Nonstop flights from Kansas City International Airport to San Francisco International Airport · 1,499 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MCI or SFO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Kansas City (MCI) to San Francisco (SFO) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.8% were cancelled, and 14% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (82% on time); United Airlines was the least (63%).
- Departures scheduled around 7am did best (90% on time); around 7pm did worst (35%).
- Tuesday was the most reliable day to fly (87% on time) and Monday the least (55%).
- The largest source of delay minutes was air traffic control & airport congestion (58%).
Which airline is most on time from MCI to SFO?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 82% | 1.1% | 15 min | 7.1% | 187 |
| United Airlines | 63% | 0.6% | 32 min | 21.6% | 178 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am90%106 flights
- 3pm59%19 flights
- 5pm88%98 flights
- 6pm76%49 flights
- 7pm35%93 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday55%1.9% cancelled
- Tuesday87%0.0% cancelled
- Wednesday73%0.0% cancelled
- Thursday75%0.0% cancelled
- Friday79%0.0% cancelled
- Saturday73%1.9% cancelled
- Sunday65%1.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion58%
- Late-arriving aircraft30%
- Airline (crew, maintenance, cleaning, fueling)11%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)33%
- Extreme weather33%
- Air traffic control & airport congestion33%
- Security0%
MCI to SFO: common questions
- How often are MCI to SFO flights on time?
- 72% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Kansas City to San Francisco cancelled?
- 0.8% of scheduled flights were cancelled (3 of 365).
- How long are typical delays?
- Across all flights the average arrival delay was 24 min (early arrivals count as zero). Flights that were late arrived 82 min behind schedule on average, and 14.2% of flights were an hour or more late.
- How long is taxi time at MCI?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SFO to MCI — 69% on time
More flights from Kansas City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MCI → SFO, nonstop flights by US airlines that report to the DOT. How we calculate this.