Route
ORD → PHL
Chicago O'Hare International Airport Philadelphia International Airport
How punctual is this route?
- On-time arrivals
- 70.8%
- Less than 15 minutes late
- Cancelled
- 3.4%
- Of scheduled flights
- Average delay when late
- 95 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,082
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 51%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 18%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.5% | 412 |
| October 2025 | 76.7% | 443 |
| November 2025 | 72.8% | 410 |
| December 2025 | 64.6% | 344 |
| January 2026 | 68.4% | 320 |
| February 2026 | 80.5% | 341 |
| March 2026 | 63.2% | 387 |
| April 2026 | 72.0% | 435 |
| May 2026 | 78.4% | 492 |
| June 2026 | 71.4% | 492 |
| July 2026 | 65.1% | 494 |
| August 2026 | 61.1% | 512 |
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 |
|---|---|---|---|---|
| American Airlines | 3,010 | 71.2% | 4.4% | 99 min |
| United Airlines | 1,849 | 71.2% | 1.6% | 85 min |
| Frontier Airlines | 196 | 60.8% | 5.1% | 134 min |
| Republic Airways | 27 | 81.5% | 0.0% | 47 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1776
45% late · 364 flights
-
UA2182
23% late · 304 flights
-
AA2840
31% late · 288 flights
-
AA471
17% late · 209 flights
-
UA2418
19% late · 200 flights
-
F92112
39% late · 194 flights
-
UA2430
35% late · 179 flights
-
AA1848
46% late · 165 flights
-
AA2970
8% late · 164 flights
-
AA2443
46% late · 152 flights
-
AA1743
26% late · 138 flights
-
UA1744
33% late · 116 flights
-
AA1560
31% late · 109 flights
-
UA1634
32% late · 91 flights
-
AA1854
25% late · 89 flights
-
UA2038
12% late · 83 flights
-
AA1859
33% late · 76 flights
-
AA2115
25% late · 76 flights
-
AA490
42% late · 76 flights
-
UA729
14% late · 72 flights
-
AA1652
16% late · 71 flights
-
AA2974
27% late · 67 flights
-
UA2487
19% late · 64 flights
-
UA1617
22% late · 55 flights
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