Route
ORD → ABE
Chicago O'Hare International Airport Lehigh Valley International Airport
How punctual is this route?
- On-time arrivals
- 66.8%
- Less than 15 minutes late
- Cancelled
- 3.5%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 509
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 35%
- Late-arriving aircraft 35%
- Air traffic control & airport 20%
- Extreme weather 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.3% | 30 |
| October 2025 | 84.0% | 25 |
| December 2025 | 31.2% | 17 |
| January 2026 | 50.0% | 53 |
| February 2026 | 66.7% | 34 |
| March 2026 | 68.0% | 28 |
| April 2026 | 33.3% | 6 |
| May 2026 | 61.2% | 69 |
| June 2026 | 79.2% | 81 |
| July 2026 | 73.1% | 96 |
| August 2026 | 59.4% | 70 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 336 | 65.1% | 3.6% | 84 min |
| Envoy Air | 173 | 70.1% | 3.5% | 76 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
MQ4271
32% late · 88 flights
-
OO5479
30% late · 78 flights
-
MQ3785
23% late · 62 flights
-
OO5446
38% late · 41 flights
-
OO5516
65% late · 36 flights
-
OO4636
16% late · 31 flights
-
OO5612
9% late · 24 flights
-
MQ4100
41% late · 23 flights
-
OO5620
17% late · 23 flights
-
OO5502
29% late · 22 flights
-
OO4750
50% late · 21 flights
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