Route
PHL → ORD
Philadelphia International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 73.1%
- Less than 15 minutes late
- Cancelled
- 3.6%
- Of scheduled flights
- Average delay when late
- 105 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,075
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 38%
- Late-arriving aircraft 36%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.2% | 412 |
| October 2025 | 74.9% | 441 |
| November 2025 | 72.2% | 408 |
| December 2025 | 65.0% | 343 |
| January 2026 | 72.4% | 320 |
| February 2026 | 82.3% | 340 |
| March 2026 | 72.6% | 386 |
| April 2026 | 76.9% | 435 |
| May 2026 | 80.0% | 492 |
| June 2026 | 73.5% | 492 |
| July 2026 | 65.4% | 494 |
| August 2026 | 65.7% | 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 | 3,007 | 74.8% | 4.5% | 101 min |
| United Airlines | 1,846 | 71.9% | 2.0% | 109 min |
| Frontier Airlines | 196 | 56.2% | 5.1% | 120 min |
| Republic Airways | 26 | 92.3% | 0.0% | 53 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA308
39% late · 297 flights
-
UA1811
15% late · 217 flights
-
AA2095
18% late · 209 flights
-
AA470
35% late · 203 flights
-
F92111
43% late · 194 flights
-
UA660
13% late · 160 flights
-
AA3074
15% late · 138 flights
-
AA3177
38% late · 131 flights
-
AA490
40% late · 129 flights
-
AA1452
26% late · 128 flights
-
UA2207
23% late · 126 flights
-
AA1652
17% late · 124 flights
-
AA1854
24% late · 124 flights
-
UA622
17% late · 108 flights
-
UA2784
35% late · 94 flights
-
UA1801
22% late · 81 flights
-
UA2665
47% late · 78 flights
-
AA1041
20% late · 76 flights
-
AA2840
35% late · 76 flights
-
AA3042
38% late · 76 flights
-
AA1012
40% late · 75 flights
-
AA3313
15% late · 73 flights
-
UA1909
24% late · 66 flights
-
AA471
21% late · 62 flights
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