Route on-time record
TUL to HOU: most on-time flights and the best time to fly
Tulsa (Tulsa International Airport) to Houston (William P. Hobby Airport). 663 nonstop flights in Jun 2025 to May 2026, 86% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was Southwest 3400 at 12:15 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
TUL → HOU
Tulsa to Houston: 663 nonstop flights a year
On time (12 months)
86%
Cancelled
0.8%
avg delay 10 min
Best time to leave
Before 9 AM
93% on time vs 73% 6 to 9 PM
Most reliable airline
Southwest
85% chance on time
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 · Southwest 3400
12:15 PM → 2:00 PM1h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1903; its record covers all of them.
87%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 86% of the time (65 flights, Jun 2025 to May 2026).
- Never cancelled in 65 scheduled flights.
- Lands inside HOU's trouble window: 80% of its 40 ground stops and delay programs started between noon and 6 PM.
Moderate track record · 65 flights
Find Southwest 3400 fares Opens this date on Aviasales#2 · Southwest 391
3:30 PM → 5:15 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-30.
82%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Lands inside HOU's trouble window: 80% of its 40 ground stops and delay programs started between noon and 6 PM.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 391 fares Opens this date on Aviasales#3 · Southwest 4594
1:10 PM → 2:55 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-29.
82%
chance on time
- On time (history)
- 78%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 78% of the time (23 flights, Jun 2025 to May 2026).
- Lands inside HOU's trouble window: 80% of its 40 ground stops and delay programs started between noon and 6 PM.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 4594 fares Opens this date on Aviasales#4 · Southwest 950
6:05 PM → 7:45 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-05.
77%
chance on time
- On time (history)
- 50%
- Cancelled
- 0.0%
- Avg arrival delay
- 71 min
- Arrived on time 50% of the time (10 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 73% on time; Before 9 AM: 93%).
- 78% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find Southwest 950 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines85%
663 flights · 86% on time as flown · 0.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
302 flights · avg delay 5 min
- Noon to 3 PM82%
95 flights · avg delay 9 min
- 3 to 6 PM80%
205 flights · avg delay 15 min
- 6 to 9 PM73%
45 flights · avg delay 23 min
Best day: Monday (88%). Worst: Sunday (80%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft50%
- Air traffic control and airport volume26%
- Airline (crew, maintenance, boarding)22%
- Severe weather2%
Share of delay minutes by the cause airlines report to the US DOT.
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
TUL to HOU questions
- What time of day is best to fly TUL to HOU?
- Before 9 AM: 93% of flights arrived on time, against 73% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from TUL to HOU?
- Southwest, with a season-adjusted 85% chance of operating and arriving on time over 663 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on TUL to HOU?
- May (74% on time); the best was February (92%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from TUL
- HOU to TUL (return)
- TUL to DFW 78%
- TUL to DEN 79%
- TUL to ORD 76%
- TUL to ATL 86%
- TUL to PHX 82%
- TUL to IAH 84%
- TUL to DAL 86%
- TUL to LAS 83%
- TUL to CLT 85%
- TUL to LGA 79%
- TUL to STL 89%
- TUL to SLC 92%
Live status: FAA delays and ground stops