Skip to content

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Your shortcuts, saved on this device. Search to add an airport.

No airports saved yet. Add the fields you visit most.

Ask ATIS

ATIS Alerts Smart Flight Search

Find the flight least likely to be delayed

Beta

We rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.

HOU → SJC

Houston to San Jose: 364 nonstop flights a year

On time (12 months)

85%

Cancelled

0.0%

avg delay 8 min

Best time to leave

Before 9 AM

95% on time vs 73% 3 to 6 PM

Most reliable airline

Southwest

85% chance on time

Check HOU to SJC fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · Southwest 2727

    8:05 AM → 10:10 AM4h 05m nonstop

    Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as Southwest 894; its record covers all of them.

    94%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 96% of the time (80 flights, Jun 2025 to May 2026).
    • Never cancelled in 80 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 3 to 6 PM: 73%).
    • Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).

    Moderate track record · 80 flights

    Find Southwest 2727 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines85%

    364 flights · 85% on time as flown · 0.0% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM95%

    164 flights · avg delay 3 min

  • 9 AM to noon79%

    39 flights · avg delay 6 min

  • Noon to 3 PM78%

    45 flights · avg delay 13 min

  • 3 to 6 PM73%

    92 flights · avg delay 13 min

Best day: Wednesday (85%). Worst: Saturday (78%).

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure