Best Time to Fly ORD to ABE: On-Time Stats by Hour & Airline
Chicago O'Hare International → Lehigh Valley International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 68.7% of Chicago (ORD) to Allentown/Bethlehem/Easton (ABE) flights arrived on time (454 scheduled flights). That is 9.0 points below the national average of 77.6%.
Among 2 airlines, Envoy Air led with 74.5% on time and SkyWest Airlines was last with 66.7%.
Over 24 months, Saturday was the most reliable day (77% on time) and January the worst month (50%).
The cancellation rate was 3.7% (US average 1.8%).
ORD to ABE 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 |
|---|---|---|---|---|
| Envoy Air | 74.5% | 69 min | 4.3% | 115 |
| SkyWest Airlines | 66.7% | 80 min | 3.5% | 339 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to ABE
On-time arrival % by scheduled departure hour (local time), 456 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 68.8% | 3.0% | 33 |
| 7am–8am | 74.6% | 4.1% | 123 |
| 8am–9am | 70.8% | 2.0% | 49 |
| 10am–11am | 82.2% | 4.3% | 47 |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | 70.4% | 2.4% | 83 |
| 2pm–3pm | Limited data | 3 | |
| 5pm–6pm | Limited data | 19 | |
| 6pm–7pm | 41.0% | 4.9% | 41 |
| 7pm–8pm | Limited data | 17 | |
| 8pm–9pm | 75.0% | 7.7% | 39 |
| 9pm–10pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD to ABE
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 2 | ||
| Summer peak (Jun 15 - Aug 15) | 74.3% | +8.0 pts | 2.1% | 143 |
| All other days | 66.3% | — | 4.5% | 311 |
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).