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Route · SFO → TUS · 2020–2025 BTS data

San Francisco to Tucson

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to TUS (San Francisco to Tucson) ranks #2362 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.8%
On-time
+6.8 pts
vs US avg
74 min
Delay when late
5,341
Flights
#2362 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Apr 2025 92%

Worst Month

Feb 2024 69%

Distance

751 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 89 22 2 0 OO
Nov 2025 120 26 0 0 OO,UA
Oct 2025 74 13 0 0 OO,UA
Sep 2025 60 10 0 0 UA,OO
Aug 2025 75 12 0 0 OO
Jul 2025 83 12 0 0 OO
Jun 2025 86 9 0 0 OO
May 2025 90 10 0 0 OO
Apr 2025 91 7 0 0 OO
Mar 2025 93 15 1 0 OO,UA
Feb 2025 84 15 0 0 OO,UA
Jan 2025 93 10 2 0 OO,UA
Dec 2024 93 19 0 0 OO
Nov 2024 89 14 1 0 OO
Oct 2024 67 10 0 0 OO
Sep 2024 60 7 0 0 OO
Aug 2024 56 11 0 0 OO
Jul 2024 54 8 0 2 OO
Jun 2024 47 4 0 0 OO
May 2024 80 8 0 0 OO
Apr 2024 90 21 2 0 OO
Mar 2024 67 13 1 0 OO
Feb 2024 78 24 3 0 OO
Jan 2024 86 12 0 0 OO

SFO–TUS seasonal on-time pattern

Best: June (90.0%) · weakest: December (80.1%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 80.1%

Strongest calendar month

June

90.0% on-time · ~60 flights/mo

Busiest calendar month

March

~92 flights/mo avg

Weakest calendar month

December

80.1% on-time · ~79 flights/mo

Cancellation Rate

0.6%

12 of 1,905 flights

Diversion Rate

0.1%

2 of 1,905 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SFO - San Francisco

Full on-time, delay-cause, and seasonal performance for San Francisco, CA.

SFO on-time profile

TUS - Tucson

Full on-time, delay-cause, and seasonal performance for Tucson, AZ.

TUS on-time profile

Compare the two airports

See SFO and TUS side by side on delays, cancellations, and reliability.

Compare SFO vs TUS

Origin-hub reliability standing

Among SFO's stronger departures

SFO → TUS posts a 85.8% on-time rate, landing in the ≥85% band with 20 of 73 BTS-tracked routes leaving San Francisco. The same hub also shows 50 mid-band and 3 challenged departures · fleet-wide on-time rank #971 of 4927 (highest on-time = #1).

What the Data Says About SFO to TUS

San Francisco to Tucson (SFO to TUS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.8% on-time rate across 5,341 flights, with delays that do happen averaging 74.0 minutes. The corridor runs roughly 751 miles and is served by 3 carriers. Over the most recent 24 months, 12 of 1,905 flights were cancelled (0.6%) and 2 diverted (0.1%).

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 92% on-time, while Feb 2024 came in at just 69% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, SFO–TUS peaks in June at 90.0% on-time while March carries the heaviest traffic (~92 flights per month) ; the softest month is December at 80.1%, a 9.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFO to TUS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SFO to TUS ranks #2362 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SFO to TUS? ▼
Flights from San Francisco to Tucson have a 85.8% on-time rate based on 5,341 flights. The average delay is 74.0 minutes. The best recent month was Apr 2025 with 92% on-time.
What is the cancellation rate for SFO to TUS? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (12 of 1,905 flights) and 0.1% were diverted.
How far is the flight from SFO to TUS? ▼
The flight distance from San Francisco (SFO) to Tucson (TUS) is approximately 751 miles. This route is served by 3 carriers.
When is the best time to fly from SFO to TUS? ▼
The best recent month for on-time performance was Apr 2025 (92% on-time). The worst was Feb 2024 (69% on-time). Consider booking during months with historically better performance.

Airports on this route

SFO Airport

San Francisco
TUS Airport

Tucson
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 SFO–TUS data

SFO–TUS runs 6.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SFO and TUS airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, June (90.0% on-time) beats December (80.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.8% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.