Route · TUS → SFO · 2020–2025 BTS data
Tucson to San Francisco
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), TUS to SFO (Tucson to San Francisco) ranks #2357 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 83.7%
- On-time
- +4.7 pts
- vs US avg
- 88 min
- Delay when late
- 5,346
- Flights
- #2357 of 4927
- Corpus placement
Cancelled
0.9%
Best Month
Aug 2025 95%
Worst Month
Mar 2024 48%
Distance
751 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 91 | 27 | 1 | 1 | UA,OO |
| Nov 2025 | 119 | 16 | 0 | 0 | OO |
| Oct 2025 | 73 | 18 | 1 | 0 | OO,UA |
| Sep 2025 | 60 | 7 | 0 | 0 | UA,OO |
| Aug 2025 | 75 | 4 | 0 | 0 | OO |
| Jul 2025 | 83 | 16 | 0 | 0 | OO |
| Jun 2025 | 86 | 12 | 0 | 0 | OO |
| May 2025 | 90 | 24 | 0 | 0 | OO,UA |
| Apr 2025 | 90 | 18 | 0 | 0 | OO |
| Mar 2025 | 93 | 17 | 1 | 0 | OO,UA |
| Feb 2025 | 85 | 14 | 0 | 0 | OO,UA |
| Jan 2025 | 93 | 14 | 2 | 0 | OO,UA |
| Dec 2024 | 93 | 29 | 0 | 0 | OO |
| Nov 2024 | 89 | 15 | 4 | 1 | OO |
| Oct 2024 | 68 | 6 | 0 | 0 | OO |
| Sep 2024 | 60 | 16 | 0 | 0 | OO |
| Aug 2024 | 57 | 15 | 0 | 0 | OO |
| Jul 2024 | 54 | 12 | 0 | 0 | OO |
| Jun 2024 | 47 | 12 | 0 | 0 | OO |
| May 2024 | 80 | 37 | 0 | 0 | OO |
| Apr 2024 | 90 | 41 | 4 | 0 | OO |
| Mar 2024 | 67 | 35 | 1 | 0 | OO |
| Feb 2024 | 78 | 38 | 4 | 0 | OO |
| Jan 2024 | 86 | 15 | 0 | 0 | OO |
TUS–SFO seasonal on-time pattern
Best: October (89.2%) · weakest: May (76.1%)
Strongest calendar month
October
89.2% on-time · ~68 flights/mo
Busiest calendar month
March
~92 flights/mo avg
Weakest calendar month
May
76.1% on-time · ~74 flights/mo
Cancellation Rate
0.9%
18 of 1,907 flights
Diversion Rate
0.1%
2 of 1,907 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
TUS - Tucson
Full on-time, delay-cause, and seasonal performance for Tucson, AZ.
TUS on-time profileSFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profileCompare the two airports
See TUS and SFO side by side on delays, cancellations, and reliability.
Compare TUS vs SFOOrigin-hub reliability standing
Mid-pack among TUS departures
From TUS, this corridor sits with 7 other 75–85% on-time routes out of 15 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 0 below 75%). Destination: San Francisco · fleet on-time rank #1708 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to TUS–SFO.
Routes with a similar on-time rate
What the Data Says About TUS to SFO
Bureau of Transportation Statistics records show Tucson to San Francisco (TUS to SFO) running a 83.7% on-time rate over 5,346 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 88.4 minutes. The 751-mile corridor is served by 3 carriers, and over the last 24 months 0.9% of 1,907 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Aug 2025 posted the strongest performance at 95% on-time, while Mar 2024 came in at just 48% - a 47-point swing worth factoring into travel timing.
On the multi-year calendar, TUS–SFO peaks in October at 89.2% on-time while March carries the heaviest traffic (~92 flights per month) ; the softest month is May at 76.1%, a 13.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does TUS to SFO rank among US routes by traffic? ▼
How often are flights delayed from TUS to SFO? ▼
What is the cancellation rate for TUS to SFO? ▼
How far is the flight from TUS to SFO? ▼
When is the best time to fly from TUS to SFO? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using TUS–SFO data
TUS–SFO runs 4.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare TUS and SFO airport profiles: delay causes and top routes differ even on the same corridor. TUS airport
- If your dates flex, October (89.2% on-time) beats May (76.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 83.7% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.