SAN to COS flight delays & on-time performance
Nonstop flights from San Diego International Airport to City of Colorado Springs Municipal Airport · 816 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
Key facts
- Flights from San Diego (SAN) to Colorado Springs (COS) arrived on time 65% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 7% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 11am did best (77% on time); around 5pm did worst (47%).
- Saturday was the most reliable day to fly (93% on time) and Sunday the least (59%).
- The largest source of delay minutes was late-arriving aircraft (75%).
Which airline is most on time from SAN to COS?
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 |
|---|---|---|---|---|---|
| Southwest Airlines | 65% | 0.0% | 16 min | 6.5% | 169 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am77%26 flights
- 12pm73%45 flights
- 4pm48%58 flights
- 5pm47%15 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday63%0.0% cancelled
- Tuesday0%0.0% cancelled
- Wednesday0%0.0% cancelled
- Thursday63%0.0% cancelled
- Friday62%0.0% cancelled
- Saturday93%0.0% cancelled
- Sunday59%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft75%
- Airline (crew, maintenance, cleaning, fueling)22%
- Air traffic control & airport congestion3%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
SAN to COS: common questions
- How often are SAN to COS flights on time?
- 65% 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 San Diego to Colorado Springs cancelled?
- 0.0% of scheduled flights were cancelled (0 of 169).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 43 min behind schedule on average, and 6.5% of flights were an hour or more late.
- How long is taxi time at SAN?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: COS to SAN — 66% on time
More flights from San Diego
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAN → COS, nonstop flights by US airlines that report to the DOT. How we calculate this.