Route on-time record
TUL to IAH: most on-time flights and the best time to fly
Tulsa (Tulsa International Airport) to Houston (George Bush Intercontinental Airport). 1,160 nonstop flights in Jun 2025 to May 2026, 84% arrived within 15 minutes and 0.9% were cancelled. The most reliable flight number was SkyWest 5722 at 1:49 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
TUL → IAH
Tulsa to Houston: 1,160 nonstop flights a year
On time (12 months)
84%
Cancelled
0.9%
avg delay 15 min
Best time to leave
Before 9 AM
92% on time vs 76% 3 to 6 PM
Most reliable airline
United
87% 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 · SkyWest 5722 · sold as United Express, Delta Connection, American Eagle or Alaska
1:49 PM → 3:40 PM1h 52m nonstop
Local times, typical schedule. Last flown 2026-05-20.
88%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 88% of the time (74 flights, Jun 2025 to May 2026).
- Never cancelled in 74 scheduled flights.
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
Moderate track record · 74 flights
Find 1:49 PM flight fares Opens this date on Aviasales#2 · SkyWest 5637 · sold as United Express, Delta Connection, American Eagle or Alaska
1:41 PM → 3:29 PM1h 48m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 1:41 PM flight fares Opens this date on Aviasales#3 · United 1012
8:55 AM → 10:40 AM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-20.
85%
chance on time
- On time (history)
- 80%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 80% of the time (20 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; 3 to 6 PM: 76%).
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find United 1012 fares Opens this date on Aviasales#4 · SkyWest 5758 · sold as United Express, Delta Connection, American Eagle or Alaska
3:35 PM → 5:25 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 5533; its record covers all of them.
76%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 28 min
- Arrived on time 76% of the time (191 flights, Jun 2025 to May 2026).
- Never cancelled in 192 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 76% on time; Before 9 AM: 92%).
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
Moderate track record · 191 flights
Find 3:35 PM flight fares Opens this date on Aviasales#5 · SkyWest 4657 · sold as United Express, Delta Connection, American Eagle or Alaska
3:43 PM → 5:24 PM1h 41m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
- On time (history)
- 64%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 64% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 76% on time; Before 9 AM: 92%).
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 3:43 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines87%
365 flights · 89% on time as flown · 1.2% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)81%
795 flights · 82% on time as flown · 0.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM92%
265 flights · avg delay 5 min
- 9 AM to noon87%
71 flights · avg delay 16 min
- Noon to 3 PM89%
337 flights · avg delay 8 min
- 3 to 6 PM76%
470 flights · avg delay 24 min
Best day: Thursday (87%). Worst: Monday (81%).
Smarter routing
Nearby airports that run more on time
TUL → HOU 86% chance on time
Tulsa International Airport to William P. Hobby Airport · 663 flights a year · 24 mi from your airports · yours: 83%
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
- Airline (crew, maintenance, boarding)31%
- Late-arriving aircraft29%
- Air traffic control and airport volume29%
- Severe weather11%
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 IAH questions
- What time of day is best to fly TUL to IAH?
- Before 9 AM: 92% of flights arrived on time, against 76% for departures 3 to 6 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 IAH?
- United, with a season-adjusted 87% chance of operating and arriving on time over 365 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 IAH?
- May (79% on time); the best was September (91%), 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
- IAH 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 DAL 86%
- TUL to LAS 83%
- TUL to CLT 85%
- TUL to HOU 86%
- TUL to LGA 79%
- TUL to STL 89%
- TUL to SLC 92%
Live status: FAA delays and ground stops