Best Time to Fly TUL to ORD: On-Time Stats by Hour & Airline
Tulsa International → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.2% of Tulsa (TUL) to Chicago (ORD) flights arrived on time (2,130 scheduled flights). That is 0.5 points above the national average of 77.6%.
Among 5 airlines, United Airlines led with 86.8% on time and PSA Airlines was last with 57.5%.
Over 24 months, Tuesday was the most reliable day (83% on time) and July the worst month (71%).
The cancellation rate was 2.5% (US average 1.8%).
TUL to ORD on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 86.8% | 88 min | 1.3% | 77 |
| Republic Airways | 81.0% | 60 min | 7.9% | 63 |
| SkyWest Airlines | 80.8% | 101 min | 1.7% | 997 |
| Envoy Air | 77.1% | 72 min | 3.3% | 871 |
| PSA Airlines | 57.5% | 106 min | 1.6% | 122 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TUL to ORD
On-time arrival % by scheduled departure hour (local time), 3,808 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.4% | 1.0% | 291 |
| 6am–7am | 83.8% | 0.0% | 167 |
| 7am–8am | 81.8% | 1.8% | 569 |
| 8am–9am | 80.4% | 1.3% | 150 |
| 9am–10am | 85.4% | 0.7% | 304 |
| 10am–11am | 80.8% | 1.1% | 353 |
| 11am–12pm | Limited data | 6 | |
| 12pm–1pm | 73.1% | 2.3% | 386 |
| 1pm–2pm | 80.4% | 3.0% | 100 |
| 2pm–3pm | 79.7% | 1.1% | 657 |
| 3pm–4pm | 85.2% | 1.0% | 103 |
| 4pm–5pm | 56.7% | 3.2% | 31 |
| 5pm–6pm | 71.8% | 1.2% | 244 |
| 6pm–7pm | 59.9% | 3.5% | 142 |
| 7pm–8pm | 74.8% | 6.3% | 301 |
| 8pm–9pm | Limited data | 2 | |
| 9pm–10pm | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on TUL to ORD
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 69.5% | -11.4 pts | 11.9% | 67 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.9% | +1.0 pts | 0.0% | 138 |
| Summer peak (Jun 15 - Aug 15) | 74.3% | -6.6 pts | 2.0% | 737 |
| All other days | 80.9% | — | 1.6% | 2,866 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).